SettingsMedical signs
Aaron's sign
Aaron's sign is a referred pain felt in the epigastrium upon continuous firm pressure over McBurney's point.
Aaron's sign is a referred pain felt in the epigastrium upon continuous firm pressure over McBurney's point.
Abdominal guarding
Abdominal guarding is the tensing of the abdominal wall muscles to guard inflamed organs within the abdomen from the pain of pressure upon them.
Abdominal guarding is the tensing of the abdominal wall muscles to guard inflamed organs within the abdomen from the pain of pressure upon them.
Abdominal mass
An abdominal mass is any localized enlargement or swelling in the human abdomen.
An abdominal mass is any localized enlargement or swelling in the human abdomen.
Abdominal obesity
Abdominal obesity, colloquially known as belly fat or clinically as BELLY JABBA, is the accumulation of abdominal fat resulting in an increase in waist size.
Abdominal obesity, colloquially known as belly fat or clinically as BELLY JABBA, is the accumulation of abdominal fat resulting in an increase in waist size.
Abdominojugular test
The abdominojugular test (AJR), also known as hepatojugular reflex or reflux, is used as an alternate test for measuring jugular venous pressure (JVP) through the distension or swell...
The abdominojugular test (AJR), also known as hepatojugular reflex or reflux, is used as an alternate test for measuring jugular venous pressure (JVP) through the distension or swell...
Abnormal posturing
Abnormal posturing is an involuntary flexion or extension of the arms and legs, indicating severe brain injury.
Abnormal posturing is an involuntary flexion or extension of the arms and legs, indicating severe brain injury.
Acanthosis nigricans
Acanthosis nigricans is a brown to black, poorly defined, velvety hyperpigmentation of the skin.
Acanthosis nigricans is a brown to black, poorly defined, velvety hyperpigmentation of the skin.
Accommodative insufficiency
Accommodative insufficiency (AI) involves the inability of the eye to focus properly on an object.
Accommodative insufficiency (AI) involves the inability of the eye to focus properly on an object.
Acrocyanosis
Acrocyanosis is persistent painless, symmetric, blue or cyanotic discoloration and coolness of the extremities, most commonly occurring in the hands, although it also occurs in the feet and dist...
Acrocyanosis is persistent painless, symmetric, blue or cyanotic discoloration and coolness of the extremities, most commonly occurring in the hands, although it also occurs in the feet and dist...
Adson's sign
Adson's sign is seen when the head is turned to the side during deep inspiration, when there is loss of the radial pulse in the arm.
Adson's sign is seen when the head is turned to the side during deep inspiration, when there is loss of the radial pulse in the arm.
Adynamia
Adynamia means lack of strength or vigor due to a pathological condition.
Adynamia means lack of strength or vigor due to a pathological condition.
Alogia
In psychology, alogia (Greek α-, “without”, and λόγος, “speech”), or poverty of speech, is a general lack of additional, unprompted content seen in normal speech.
In psychology, alogia (Greek α-, “without”, and λόγος, “speech”), or poverty of speech, is a general lack of additional, unprompted content seen in normal speech.
Ambulatory blood pressure
Ambulatory blood pressure monitoring (ABPM) measures blood pressure at regular intervals.
Ambulatory blood pressure monitoring (ABPM) measures blood pressure at regular intervals.
Amsler sign
Amsler sign also known as Amsler-Verrey sign is the name of the diagnostic finding seen in patients with Fuchs heterochromic iridocyclitis (FHI).
Amsler sign also known as Amsler-Verrey sign is the name of the diagnostic finding seen in patients with Fuchs heterochromic iridocyclitis (FHI).
Anasarca
Anasarca, also known as "extreme generalized edema" is a medical condition characterised by widespread swelling of the skin due to effusion of fluid into the extracellular space.
Anasarca, also known as "extreme generalized edema" is a medical condition characterised by widespread swelling of the skin due to effusion of fluid into the extracellular space.
Ashman phenomenon
First described by Gouaux and Ashman in 1947, Ashman phenomenon, also known as Ashman beats, describes a particular type of wide complex tachycardia (fast rhythm of the heart) that is ofte...
First described by Gouaux and Ashman in 1947, Ashman phenomenon, also known as Ashman beats, describes a particular type of wide complex tachycardia (fast rhythm of the heart) that is ofte...
Astasia-abasia
Astasia-abasia refers to the inability to either stand or walk in a normal manner.
Astasia-abasia refers to the inability to either stand or walk in a normal manner.
Auditory hallucination
An auditory hallucination, or paracusia, is a form of hallucination that involves perceiving sounds without auditory stimulus.
An auditory hallucination, or paracusia, is a form of hallucination that involves perceiving sounds without auditory stimulus.
Auenbrugger's sign
Auenbrugger's sign is a bulging of the epigastrium seen in cases of severe pericardial effusion.
Auenbrugger's sign is a bulging of the epigastrium seen in cases of severe pericardial effusion.
Austin Flint murmur
In cardiology, an Austin Flint murmur is a mid-diastolic or presystolic murmur low-pitched rumbling murmur which is best heard at the cardiac apex.
In cardiology, an Austin Flint murmur is a mid-diastolic or presystolic murmur low-pitched rumbling murmur which is best heard at the cardiac apex.
AV nicking
AV, or arteriovenous nicking (also known as arteriovenous nipping in the UK) is the phenomenon where, on ophthalmologic examination, an arteriole is seen crossing a venule resulting ...
AV, or arteriovenous nicking (also known as arteriovenous nipping in the UK) is the phenomenon where, on ophthalmologic examination, an arteriole is seen crossing a venule resulting ...
Avolition
Avolition is a psychological state characterized by general lack of drive, or motivation to pursue meaningful goals.
Avolition is a psychological state characterized by general lack of drive, or motivation to pursue meaningful goals.
Ballance's sign
Ballance's sign is dullness to percussion in the left flank LUQ and shifting dullness to percussion in the right flank seen with splenic rupture/hematoma.
Ballance's sign is dullness to percussion in the left flank LUQ and shifting dullness to percussion in the right flank seen with splenic rupture/hematoma.
Ballottement
Ballottement is a medical sign which indicates increased fluid in the suprapatellar pouch over the patella at the knee joint.
Ballottement is a medical sign which indicates increased fluid in the suprapatellar pouch over the patella at the knee joint.
Bancroft's sign
Bancroft's sign, also known as Moses' sign, is a clinical sign found in patients with deep vein thrombosis of the lower leg involving the posterior tibial veins.
Bancroft's sign, also known as Moses' sign, is a clinical sign found in patients with deep vein thrombosis of the lower leg involving the posterior tibial veins.
Bastian–Bruns sign
The Bastian-Bruns sign, or Bastian-Bruns law, is the loss of tone and deep tendon reflexes in the lower limbs in the presence of complete transection of the spinal cord above the level of ...
The Bastian-Bruns sign, or Bastian-Bruns law, is the loss of tone and deep tendon reflexes in the lower limbs in the presence of complete transection of the spinal cord above the level of ...
Beau's lines
Beau's lines are deep grooved lines that run from side to side on the fingernail.
Beau's lines are deep grooved lines that run from side to side on the fingernail.
Becker's sign
Becker's sign, or Becker's phenomenon, is the presence of visible pulsation of retinal arteries found in patients with aortic insufficiency or Graves' disease.
Becker's sign, or Becker's phenomenon, is the presence of visible pulsation of retinal arteries found in patients with aortic insufficiency or Graves' disease.
Bekhterev-Jacobsohn reflex
The Bekhterev-Jacobsohn reflex, or Jacobsohn's finger flexion sign, is a clinical sign found in patients with pyramidal tract lesions of the upper limb.
The Bekhterev-Jacobsohn reflex, or Jacobsohn's finger flexion sign, is a clinical sign found in patients with pyramidal tract lesions of the upper limb.
Bekhterev-Mendel reflex
The Bekhterev-Mendel reflex, also known as the Mendel reflex or Mendel-Bekhterev reflex, is a clinical sign found in patients with pyramidal tract lesions.
The Bekhterev-Mendel reflex, also known as the Mendel reflex or Mendel-Bekhterev reflex, is a clinical sign found in patients with pyramidal tract lesions.
Bekhterev–Jacobsohn reflex
The Bekhterev-Jacobsohn reflex, or Jacobsohn's finger flexion sign, is a clinical sign found in patients with pyramidal tract lesions of the upper limb.
The Bekhterev-Jacobsohn reflex, or Jacobsohn's finger flexion sign, is a clinical sign found in patients with pyramidal tract lesions of the upper limb.
Bekhterev–Mendel reflex
The Bekhterev-Mendel reflex, also known as the Mendel reflex or Mendel-Bekhterev reflex, is a clinical sign found in patients with pyramidal tract lesions.
The Bekhterev-Mendel reflex, also known as the Mendel reflex or Mendel-Bekhterev reflex, is a clinical sign found in patients with pyramidal tract lesions.
Bethesda unit
A Bethesda unit (BU) is a measure of blood coagulation inhibitor activity.
A Bethesda unit (BU) is a measure of blood coagulation inhibitor activity.
Bielschowsky's head tilt test
Bielschowsky's head tilt test is a medical test to detect damage to the IVth cranial nerve leading to a palsy of the superior oblique muscle of the eye.
Bielschowsky's head tilt test is a medical test to detect damage to the IVth cranial nerve leading to a palsy of the superior oblique muscle of the eye.
Bing's sign
Bing's sign or Bing's reflex is a clinical sign in which pricking the dorsum of the foot or toe with a pin causes extension of the great toe.
Bing's sign or Bing's reflex is a clinical sign in which pricking the dorsum of the foot or toe with a pin causes extension of the great toe.
Biodosimetry
Biodosimetry is a measurement of biological response as a surrogate for radiation dose.
Biodosimetry is a measurement of biological response as a surrogate for radiation dose.
Biomarker (medicine)
In medicine, a biomarker is a term often used to refer to a protein measured in blood whose concentration reflects the severity or presence of some disease state.
In medicine, a biomarker is a term often used to refer to a protein measured in blood whose concentration reflects the severity or presence of some disease state.
Bloating
Bloating is a general swelling, or increase in diameter of the abdominal area.
Bloating is a general swelling, or increase in diameter of the abdominal area.
Blood pressure
Blood pressure is the pressure exerted by circulating blood upon the walls of blood vessels, and is one of the principal vital signs.
Blood pressure is the pressure exerted by circulating blood upon the walls of blood vessels, and is one of the principal vital signs.
Blumberg sign
Blumberg's sign is a sign that is elicited during physical examination in medicine.
Blumberg's sign is a sign that is elicited during physical examination in medicine.
Boas' point
Boas' point is an area of tenderness to palpation to the left of the 12th thoracic vertebra found in some patients with gastric ulcer.
Boas' point is an area of tenderness to palpation to the left of the 12th thoracic vertebra found in some patients with gastric ulcer.
Boas' sign
Boas' or Boas's sign is hyperaesthesia (increased or altered sensitivity) below the right scapula can be a symptom in acute cholecystitis (inflammation of the gallbladder) It is one of ma...
Boas' or Boas's sign is hyperaesthesia (increased or altered sensitivity) below the right scapula can be a symptom in acute cholecystitis (inflammation of the gallbladder) It is one of ma...
Body composition
In physical fitness, body composition is used to describe the percentages of fat, bone and muscle in human bodies.
In physical fitness, body composition is used to describe the percentages of fat, bone and muscle in human bodies.
Body fat percentage
A person's percentage is the total weight of the person's fat divided by the person's weight and consists of essential body fat and storage body fat.
A person's percentage is the total weight of the person's fat divided by the person's weight and consists of essential body fat and storage body fat.
Body mass index
The body mass index (BMI), or Quetelet index, is a heuristic proxy for human body fat based on an individual's weight and height.
The body mass index (BMI), or Quetelet index, is a heuristic proxy for human body fat based on an individual's weight and height.
Body Volume Index
The Body Volume Index is a method of measuring human obesity that has been proposed as an alternative to the Body Mass Index.
The Body Volume Index is a method of measuring human obesity that has been proposed as an alternative to the Body Mass Index.
Body volume index
The Body Volume Index (BVI) is a new measurement for human obesity that has been proposed as an alternative to the Body Mass Index (BMI).
The Body Volume Index (BVI) is a new measurement for human obesity that has been proposed as an alternative to the Body Mass Index (BMI).
Bounding pulse
Bounding pulse is a medical sign characterized as a leaping and forceful pulse that quickly disappears.
Bounding pulse is a medical sign characterized as a leaping and forceful pulse that quickly disappears.
Bradycardia
Bradycardia, in the context of adult medicine, is the resting heart rate of under 60 beats per minute, though it is seldom symptomatic until the rate drops below 50 beat/min.
Bradycardia, in the context of adult medicine, is the resting heart rate of under 60 beats per minute, though it is seldom symptomatic until the rate drops below 50 beat/min.
Brissaud's reflex
Brissaud's reflex is a clinical sign in which stroking the sole of the foot elicits contraction of tensor fascia lata.
Brissaud's reflex is a clinical sign in which stroking the sole of the foot elicits contraction of tensor fascia lata.
Broadbent inverted sign
The Broadbent inverted sign is a clinical sign in which pulsation is seen on the postero-lateral wall of the left side of the chest in time with cardiac systole.
The Broadbent inverted sign is a clinical sign in which pulsation is seen on the postero-lateral wall of the left side of the chest in time with cardiac systole.
Broadbent sign
Broadbent sign is a clinical sign in which the 11th and 12th ribs are indrawn, with narrowing of the intercostal space posteriorly, which is seen in cases of constrictive pericarditis due to per...
Broadbent sign is a clinical sign in which the 11th and 12th ribs are indrawn, with narrowing of the intercostal space posteriorly, which is seen in cases of constrictive pericarditis due to per...
Brodie-Trendelenburg percussion test
The Brodie-Trendelenburg percussion test is a medical test to determine valvular incompetence in superficial veins.
The Brodie-Trendelenburg percussion test is a medical test to determine valvular incompetence in superficial veins.
Brodie–Trendelenburg percussion test
The Brodie-Trendelenburg percussion test is a medical test to determine valvular incompetence in superficial veins.
The Brodie-Trendelenburg percussion test is a medical test to determine valvular incompetence in superficial veins.
Bronchophony
Bronchophony, also known as bronchiloquy, is the abnormal transmission of sounds from the lungs or bronchi.
Bronchophony, also known as bronchiloquy, is the abnormal transmission of sounds from the lungs or bronchi.
Brudziński cheek sign
The Brudziński cheek sign or Brudziński's cheek phenomenon is a clinical sign in which pressure on the cheek elicits a reflex rise and flexion of the forearm.
The Brudziński cheek sign or Brudziński's cheek phenomenon is a clinical sign in which pressure on the cheek elicits a reflex rise and flexion of the forearm.
Brudziński neck sign
The Brudziński neck sign or Brudziński's symptom is a clinical sign in which forced flexion of the neck elicits a reflex flexion of the hips.
The Brudziński neck sign or Brudziński's symptom is a clinical sign in which forced flexion of the neck elicits a reflex flexion of the hips.
Brudziński symphyseal sign
The Brudziński symphyseal sign is a clinical sign in which pressure on the pubic symphysis elicits a reflex flexion of the hip and knee, and abduction of the leg.
The Brudziński symphyseal sign is a clinical sign in which pressure on the pubic symphysis elicits a reflex flexion of the hip and knee, and abduction of the leg.
Bruise
A bruise is a type of relatively minor hematoma of tissue in which capillaries and sometimes venules are damaged by trauma, allowing blood to seep into the surrounding interstitial tissues.
A bruise is a type of relatively minor hematoma of tissue in which capillaries and sometimes venules are damaged by trauma, allowing blood to seep into the surrounding interstitial tissues.
Bruns nystagmus
Bruns nystagmus is an unusual type of bilateral nystagmus most commonly occurring in patients with cerebellopontine angle tumours.
Bruns nystagmus is an unusual type of bilateral nystagmus most commonly occurring in patients with cerebellopontine angle tumours.
Bulging flanks
In medicine, bulging flanks refers to a sign for ascites.
In medicine, bulging flanks refers to a sign for ascites.
Burton line
The Burton line is a clinical sign found in patients with lead poisoning.
The Burton line is a clinical sign found in patients with lead poisoning.
Busacca nodules
Busacca nodules are inflammatory nodules located on the surface of the iris seen in granulomatous anterior uveitis such as Fuchs heterochromic iridocyclitis (FHI).
Busacca nodules are inflammatory nodules located on the surface of the iris seen in granulomatous anterior uveitis such as Fuchs heterochromic iridocyclitis (FHI).
Cannon A waves
Cannon A waves, or cannon atrial waves, are waves seen occasionally in the jugular vein of humans with severe cardiac arrhythmia.
Cannon A waves, or cannon atrial waves, are waves seen occasionally in the jugular vein of humans with severe cardiac arrhythmia.
Caput medusae
Caput medusae is the appearance of distended and engorged paraumbilical veins, which are seen radiating from the umbilicus across the abdomen to join systemic veins.
Caput medusae is the appearance of distended and engorged paraumbilical veins, which are seen radiating from the umbilicus across the abdomen to join systemic veins.
Cardarelli's sign
Cardarelli's sign is an abnormal pulsation of the trachea that may be found in patients with a dilation or aneurysm of the aortic arch.
Cardarelli's sign is an abnormal pulsation of the trachea that may be found in patients with a dilation or aneurysm of the aortic arch.
Carey Coombs murmur
The Carey Coombs murmur or Coombs murmur is a clinical sign which occurs in patients with mitral valvulitis due to acute rheumatic fever.
The Carey Coombs murmur or Coombs murmur is a clinical sign which occurs in patients with mitral valvulitis due to acute rheumatic fever.
Carnett's sign
In medicine, Carnett's sign is an eponymous finding on clinical examination in which (acute) abdominal pain remains unchanged or increases when the muscles of the abdominal wall are tensed.
In medicine, Carnett's sign is an eponymous finding on clinical examination in which (acute) abdominal pain remains unchanged or increases when the muscles of the abdominal wall are tensed.
Carphologia
Carphologia (or carphology) is a lint-picking behavior that is often a symptom of a delirious state.
Carphologia (or carphology) is a lint-picking behavior that is often a symptom of a delirious state.
Carvallo's sign
Carvallo's sign is a maneuver which is heard during auscultation of the heart which occurs when the patient is asked to inspire whereby the murmur of tricuspid insuffiencyincreases.
Carvallo's sign is a maneuver which is heard during auscultation of the heart which occurs when the patient is asked to inspire whereby the murmur of tricuspid insuffiencyincreases.
Casal collar
The Casal collar or Casal necklace is a clinical sign in which there is erythematous pigmented skin rash in the distribution of a broad collar (dermatomes C3 and C4).
The Casal collar or Casal necklace is a clinical sign in which there is erythematous pigmented skin rash in the distribution of a broad collar (dermatomes C3 and C4).
Castell's sign
Castell's sign is a medical sign assessed to evaluate splenomegaly and typically part of an abdominal examination.
Castell's sign is a medical sign assessed to evaluate splenomegaly and typically part of an abdominal examination.
Central facial palsy
Central facial palsy, (colloquially referred to as central seven) is a symptom or finding characterized by paralysis or paresis of the lower half of one side of the face.
Central facial palsy, (colloquially referred to as central seven) is a symptom or finding characterized by paralysis or paresis of the lower half of one side of the face.
Cervical lymphadenopathy
Cervical lymphadenopathy is an enlargement of the cervical lymph nodes.
Cervical lymphadenopathy is an enlargement of the cervical lymph nodes.
Cervical motion tenderness
In gynecology, cervical motion tenderness or cervical excitation, is a sign found on pelvic examination suggestive of pelvic pathology.
In gynecology, cervical motion tenderness or cervical excitation, is a sign found on pelvic examination suggestive of pelvic pathology.
Chadwick's sign
Chadwick's sign is a bluish discoloration of the cervix, vagina, and labia caused by the hormone estrogen which results in venous congestion.
Chadwick's sign is a bluish discoloration of the cervix, vagina, and labia caused by the hormone estrogen which results in venous congestion.
Charcot's neurologic triad
Charcot's neurologic triad is the combination of nystagmus, intention tremor, and scanning or staccato speech.
Charcot's neurologic triad is the combination of nystagmus, intention tremor, and scanning or staccato speech.
Charcot's triad
Charcot's triad refers to two separate sets of three signs each discovered by Jean-Martin Charcot.
Charcot's triad refers to two separate sets of three signs each discovered by Jean-Martin Charcot.
Cherry-red spot
A cherry-red spot is a finding in the macula of the eye in a variety of lipid storage disorders and in central retinal artery occlusion.
A cherry-red spot is a finding in the macula of the eye in a variety of lipid storage disorders and in central retinal artery occlusion.
Chvostek sign
The Chvostek sign (also Weiss sign) is one of the signs of tetany seen in hypocalcemia.
The Chvostek sign (also Weiss sign) is one of the signs of tetany seen in hypocalcemia.
CIT Program Tumor Identity Cards
The "Cartes d'Identité des Tumeurs (CIT)" program (or 'Tumor Identity Cards'), launched and financed by the French charity "Ligue Nationale contre le Cancer", aims at characterizing multiple typ...
The "Cartes d'Identité des Tumeurs (CIT)" program (or 'Tumor Identity Cards'), launched and financed by the French charity "Ligue Nationale contre le Cancer", aims at characterizing multiple typ...
Clanging
In psychology and psychiatry, clanging or clang association refers to a mode of speech and logical association to two or more words primarily based upon word sounds when no logical associa...
In psychology and psychiatry, clanging or clang association refers to a mode of speech and logical association to two or more words primarily based upon word sounds when no logical associa...
Claybrook sign
Claybrook sign is a clinical sign in which heart sounds and breath sounds can be heard transmitted through the abdominal wall on auscultation.
Claybrook sign is a clinical sign in which heart sounds and breath sounds can be heard transmitted through the abdominal wall on auscultation.
Clonus
Clonus (from the Greek for "violent, confused motion") is a series of involuntary muscular contractions and relaxations.
Clonus (from the Greek for "violent, confused motion") is a series of involuntary muscular contractions and relaxations.
Comby sign
The Comby sign is a clinical sign of early measles in which thin, whitish patches are seen on the gums and buccal mucosa due to desquamation of epithelial cells.
The Comby sign is a clinical sign of early measles in which thin, whitish patches are seen on the gums and buccal mucosa due to desquamation of epithelial cells.
Cooing dove murmur
The "cooing dove" murmur is a cardiac murmur with a musical quality (high pitched - hence the name) and is associated with acute mitral valve regirgitation, preceded by rupture of the chordae te...
The "cooing dove" murmur is a cardiac murmur with a musical quality (high pitched - hence the name) and is associated with acute mitral valve regirgitation, preceded by rupture of the chordae te...
Cooper's sign
Cooper's sign is a test for meniscal damage in the knee.
Cooper's sign is a test for meniscal damage in the knee.
Cornell's sign
Cornell's sign is a clinical sign in which scratching along the inner side of the extensor hallucis longus tendon elicits an extensor plantar reflex.
Cornell's sign is a clinical sign in which scratching along the inner side of the extensor hallucis longus tendon elicits an extensor plantar reflex.
Cotton wool spots
Cotton wool spots are an abnormal finding on funduscopic exam of the retina of the eye.
Cotton wool spots are an abnormal finding on funduscopic exam of the retina of the eye.
Cozen's test
Cozen's test is a physical examination performed to evaluate for tennis elbow.
Cozen's test is a physical examination performed to evaluate for tennis elbow.
Crackles
Crackles, crepitations, or rales are the clicking, rattling, or crackling noises that may be made by one or both lungs of a human with a respiratory disease during inhalation.
Crackles, crepitations, or rales are the clicking, rattling, or crackling noises that may be made by one or both lungs of a human with a respiratory disease during inhalation.
Cramp
Cramps are unpleasant, often painful sensations caused by muscle contraction or overshortening.
Cramps are unpleasant, often painful sensations caused by muscle contraction or overshortening.
Crepitus
Crepitus is a medical term to describe the grating, crackling or popping sounds and sensations experienced under the skin and joints.
Crepitus is a medical term to describe the grating, crackling or popping sounds and sensations experienced under the skin and joints.
Crichton-Browne sign
Crichton-Browne sign is a clinical sign in which there is twitching of the outer margins of the eyes and mouth.
Crichton-Browne sign is a clinical sign in which there is twitching of the outer margins of the eyes and mouth.
Cruveilhier–Baumgarten bruit
The Cruveilhier-Baumgarten bruit is a clinical sign which can be found in Cruveilhier-Baumgarten disease.
The Cruveilhier-Baumgarten bruit is a clinical sign which can be found in Cruveilhier-Baumgarten disease.
Cryoglobulinemia
Cryoglobulinaemia is a medical condition in which the blood contains large amounts of cryoglobulins - proteins that become insoluble at reduced temperatures.
Cryoglobulinaemia is a medical condition in which the blood contains large amounts of cryoglobulins - proteins that become insoluble at reduced temperatures.
Cullen's sign
Cullen's sign is superficial edema and bruising in the subcutaneous fatty tissue around the umbilicus.
Cullen's sign is superficial edema and bruising in the subcutaneous fatty tissue around the umbilicus.
Cyanosis
Cyanosis is the appearance of a blue or purple coloration of the skin or mucous membranes due to the tissues near the skin surface being low on oxygen.
Cyanosis is the appearance of a blue or purple coloration of the skin or mucous membranes due to the tissues near the skin surface being low on oxygen.
Dahl's sign
Dahl's sign (also Thinker's sign or Target sign) is a clinical sign in which areas of hyperpigmentation are seen on the skin of the lower thighs and elbows.
Dahl's sign (also Thinker's sign or Target sign) is a clinical sign in which areas of hyperpigmentation are seen on the skin of the lower thighs and elbows.
Dance's sign
Dance's sign is an eponymous medical sign consisting of an investigation of the right lower quadrant of the abdomen for retraction, which can be an indication of intussusception, i.e. those with...
Dance's sign is an eponymous medical sign consisting of an investigation of the right lower quadrant of the abdomen for retraction, which can be an indication of intussusception, i.e. those with...
De Musset's sign
de Musset's sign is a human health condition that results in a rhythmic nodding or bobbing of the head in synchrony with the beating of the heart, in general as a result of aortic insufficiency ...
de Musset's sign is a human health condition that results in a rhythmic nodding or bobbing of the head in synchrony with the beating of the heart, in general as a result of aortic insufficiency ...
Defecation
Defecation (from late Latin defecatio) is the final act of digestion by which organisms eliminate solid, semisolid or liquid waste material (feces) from the digestive tract via the anus.
Defecation (from late Latin defecatio) is the final act of digestion by which organisms eliminate solid, semisolid or liquid waste material (feces) from the digestive tract via the anus.
Derailment (thought disorder)
In psychiatry, derailment (also loosening of association, asyndesis, asyndetic thinking, knight's move thinking, or entgleisen) refers to a pattern of discourse (in...
In psychiatry, derailment (also loosening of association, asyndesis, asyndetic thinking, knight's move thinking, or entgleisen) refers to a pattern of discourse (in...
Desquamation
Desquamation, also called skin peeling, is the shedding of the outermost membrane or layer of a tissue, such as the skin.
Desquamation, also called skin peeling, is the shedding of the outermost membrane or layer of a tissue, such as the skin.
Deviation conjugée
Deviation conjugée or ipsilesional gaze shift is a medical sign indicating brain damage (e.g.
Deviation conjugée or ipsilesional gaze shift is a medical sign indicating brain damage (e.g.
Diaphragmatic paradox
A diaphragmatic paradox is a sign on a respiratory examination when the diaphragm moves opposite of the normal direction on inspiration.
A diaphragmatic paradox is a sign on a respiratory examination when the diaphragm moves opposite of the normal direction on inspiration.
Dicrotic pulse
A dicrotic pulse is a type of pulse characterized by a percusion wave in systole and a prominent dicrotic wave in diastole.
A dicrotic pulse is a type of pulse characterized by a percusion wave in systole and a prominent dicrotic wave in diastole.
Disequilibrium (medicine)
In medicine, disequilibrium refers to an impaired sense of equilibrioception.
In medicine, disequilibrium refers to an impaired sense of equilibrioception.
Dix-Hallpike test
The Dix–Hallpike test or Nylen-Barany test is a diagnostic maneuver used to identify benign paroxysmal positional vertigo (BPPV).
The Dix–Hallpike test or Nylen-Barany test is a diagnostic maneuver used to identify benign paroxysmal positional vertigo (BPPV).
Dix–Hallpike test
The Dix–Hallpike test or Nylen-Barany test is a diagnostic maneuver used to identify benign paroxysmal positional vertigo (BPPV).
The Dix–Hallpike test or Nylen-Barany test is a diagnostic maneuver used to identify benign paroxysmal positional vertigo (BPPV).
Doi's sign
Doi's sign is a clinical sign in which absent deep tendon reflexes can be elicited after a short period of maximal muscle contraction.
Doi's sign is a clinical sign in which absent deep tendon reflexes can be elicited after a short period of maximal muscle contraction.
Dunphy sign
Dunphy's sign is a medical sign characterized by increased abdominal pain with coughing.
Dunphy's sign is a medical sign characterized by increased abdominal pain with coughing.
Ecchymosis
An ecchymosis (, from the Ancient Greek ἐκχύμωσις from ἐκ, out + χέω, I pour) is the medical term for a subcutaneous purpura larger than 1 centimeter or a hematoma, commonly called a bruise.
An ecchymosis (, from the Ancient Greek ἐκχύμωσις from ἐκ, out + χέω, I pour) is the medical term for a subcutaneous purpura larger than 1 centimeter or a hematoma, commonly called a bruise.
Edema
Edema or oedema, formerly known as dropsy or hydropsy, is an abnormal accumulation of fluid beneath the skin or in one or more cavities of the body that produces swelling.
Edema or oedema, formerly known as dropsy or hydropsy, is an abnormal accumulation of fluid beneath the skin or in one or more cavities of the body that produces swelling.
Elfin facies
Elfin facies is a form of facies where the patient presents with facial characteristics bearing some similarities to those traditionally associated with elves.
Elfin facies is a form of facies where the patient presents with facial characteristics bearing some similarities to those traditionally associated with elves.
Elschnig spots
Elschnig's spots are black spots surrounded by bright yellow or red halos seen on the retina during fundoscopy in patients with advanced hypertensive retinopathy.
Elschnig's spots are black spots surrounded by bright yellow or red halos seen on the retina during fundoscopy in patients with advanced hypertensive retinopathy.
Erythema
Erythema (from the Greek erythros, meaning red) is redness of the skin, caused by hyperemia of the capillaries in the lower layers of the skin.
Erythema (from the Greek erythros, meaning red) is redness of the skin, caused by hyperemia of the capillaries in the lower layers of the skin.
Euthymia (medicine)
Euthymia is a word used for indicating a normal non-depressed, reasonably positive mood.
Euthymia is a word used for indicating a normal non-depressed, reasonably positive mood.
Ewart's sign
Ewart's sign is a set of findings on physical examination in people with large collections of fluid around their heart (pericardial effusions).
Ewart's sign is a set of findings on physical examination in people with large collections of fluid around their heart (pericardial effusions).
Facial weakness
Facial weakness is a medical sign associated with a variety of medical conditions.
Facial weakness is a medical sign associated with a variety of medical conditions.
Facies (medical)
In medical contexts, facies are distinctive facial expressions associated with specific medical conditions.
In medical contexts, facies are distinctive facial expressions associated with specific medical conditions.
Faget sign
In medicine, the Faget sign is the unusual constellation of fever and bradycardia (a slow pulse).
In medicine, the Faget sign is the unusual constellation of fever and bradycardia (a slow pulse).
Fetor hepaticus
Fetor hepaticus or foetor hepaticus (see spelling differences), also known as breath of the dead, is a condition seen in portal hypertension where portosystemic shunting allows merc...
Fetor hepaticus or foetor hepaticus (see spelling differences), also known as breath of the dead, is a condition seen in portal hypertension where portosystemic shunting allows merc...
Fever of unknown origin
Fever of unknown origin (FUO), pyrexia of unknown origin (PUO) or febris e causa ignota (febris E.C.I.) refers to a condition in which the patient has an elevated temperature but des...
Fever of unknown origin (FUO), pyrexia of unknown origin (PUO) or febris e causa ignota (febris E.C.I.) refers to a condition in which the patient has an elevated temperature but des...
Flatulence
Flatulence is the expulsion through the rectum of a mixture of gases that are byproducts of the digestion process of mammals and other animals.
Flatulence is the expulsion through the rectum of a mixture of gases that are byproducts of the digestion process of mammals and other animals.
Focal neurologic signs
Focal neurologic signs also known as focal signs or focal CNS signs are perceptual or behavioral impairments which are caused by lesions in a particular area of the central nervous system.
Focal neurologic signs also known as focal signs or focal CNS signs are perceptual or behavioral impairments which are caused by lesions in a particular area of the central nervous system.
Forchheimer spots
Forchheimer spots are a fleeting enanthem seen as small, red spots (petechiae) on the soft palate in 20% of patients with rubella.
Forchheimer spots are a fleeting enanthem seen as small, red spots (petechiae) on the soft palate in 20% of patients with rubella.
Fothergill's sign
Fothergill's sign is a medical sign.
Fothergill's sign is a medical sign.
Fox's sign
Fox's sign is a clinical sign in which bruising is seen over the inguinal ligament.
Fox's sign is a clinical sign in which bruising is seen over the inguinal ligament.
Frank's sign
Frank's sign or Frank sign is a diagonal ear lobe crease (ELC) extending diagonally from the tragus across the lobule to the rear edge of the auricle.
Frank's sign or Frank sign is a diagonal ear lobe crease (ELC) extending diagonally from the tragus across the lobule to the rear edge of the auricle.
Fremitus
Fremitus is a palpable vibration on the human body.
Fremitus is a palpable vibration on the human body.
Functio laesa
Functio laesa is a term used in medicine to refer to a loss of function or a disturbance of function.
Functio laesa is a term used in medicine to refer to a loss of function or a disturbance of function.
Functional constipation
Functional constipation, known as chronic idiopathic constipation (CIC), is constipation that does not have a physical (anatomical) or physiological (hormonal or other body chemistry...
Functional constipation, known as chronic idiopathic constipation (CIC), is constipation that does not have a physical (anatomical) or physiological (hormonal or other body chemistry...
Gaenslen's test
Gaenslen's test, also known as Gaenslen's Maneuver is a medical test used to detect musculoskeletal abnormalities and primary-chronic inflammation of the lumbar vertebrae and sacroiliac joint.
Gaenslen's test, also known as Gaenslen's Maneuver is a medical test used to detect musculoskeletal abnormalities and primary-chronic inflammation of the lumbar vertebrae and sacroiliac joint.
Galeazzi test
The Galeazzi test, also known as the Allis sign, is used in the assessment of congenital dislocation/developmental dysplasia of the hip.
The Galeazzi test, also known as the Allis sign, is used in the assessment of congenital dislocation/developmental dysplasia of the hip.
Gallavardin phenomenon
The Gallavardin phenomenon is a clinical sign found in patients with aortic stenosis.
The Gallavardin phenomenon is a clinical sign found in patients with aortic stenosis.
Garland's triad
In radiology, Garland's triad (also known as the 1-2-3 sign) is the concurrence of reasonably symmetrical bilateral hilar lymphadenopathy and right paratracheal lymphadenopathy seen on a che...
In radiology, Garland's triad (also known as the 1-2-3 sign) is the concurrence of reasonably symmetrical bilateral hilar lymphadenopathy and right paratracheal lymphadenopathy seen on a che...
Glaukomflecken
Glaukomflecken simply means glaucoma flecks.
Glaukomflecken simply means glaucoma flecks.
Goldstein's Toe Sign
"Goldstein's Toe Sign" is a feature identified by Dr. Hyman Isaac Goldstein (1887–1954), an American physician and medical historian.
"Goldstein's Toe Sign" is a feature identified by Dr. Hyman Isaac Goldstein (1887–1954), an American physician and medical historian.
Golovin-Sivtsev Table
This table is called Golovin-Sivtsev Table (Таблица Головина-Сивцева).
This table is called Golovin-Sivtsev Table (Таблица Головина-Сивцева).
Gonda's sign
Gonda's sign is a clinical sign in which flexing and then suddenly releasing the 4th toe elicits an extensor plantar reflex.
Gonda's sign is a clinical sign in which flexing and then suddenly releasing the 4th toe elicits an extensor plantar reflex.
Goodell's sign
In medicine, Goodell's sign is an indication of pregnancy.
In medicine, Goodell's sign is an indication of pregnancy.
Gordon's sign
Gordon's sign is a clinical sign in which squeezing the calf muscle elicits an extensor plantar reflex.
Gordon's sign is a clinical sign in which squeezing the calf muscle elicits an extensor plantar reflex.
Gorlin sign
In medicine, Gorlin sign is the ability to touch the tip of the nose with the tongue and touch the elbow with the tongue.
In medicine, Gorlin sign is the ability to touch the tip of the nose with the tongue and touch the elbow with the tongue.
Gowers' sign
Gowers' sign is a medical sign that indicates weakness of the proximal muscles, namely those of the lower limb.
Gowers' sign is a medical sign that indicates weakness of the proximal muscles, namely those of the lower limb.
Griffith's sign
Griffith's sign is a clinical sign in which there is lid lag of the lower eyelid on moving the eye upwards.
Griffith's sign is a clinical sign in which there is lid lag of the lower eyelid on moving the eye upwards.
Hallucination
A hallucination, in broadest sense of the word, is a perception in the absence of a stimulus.
A hallucination, in broadest sense of the word, is a perception in the absence of a stimulus.
Hampton's line
Hampton's line is a thin, radiolucent line seen across the neck of a gastric ulcer filled with barium sulphate during a barium meal.
Hampton's line is a thin, radiolucent line seen across the neck of a gastric ulcer filled with barium sulphate during a barium meal.
Harrison's groove
Harrison's groove, also known as Harrison's sulcus, is a horizontal line at the lower margin of the thorax where the diaphragm attaches to the ribs.
Harrison's groove, also known as Harrison's sulcus, is a horizontal line at the lower margin of the thorax where the diaphragm attaches to the ribs.
Hatchcock's sign
Hatchcock's sign is a clinical sign in which upward pressure on the angle of the mandible causes pain due to parotitis in mumps, but no pain in adenitis.
Hatchcock's sign is a clinical sign in which upward pressure on the angle of the mandible causes pain due to parotitis in mumps, but no pain in adenitis.
Heart rate
Heart rate is the number of heartbeats per unit of time, typically expressed as beats per minute (bpm).
Heart rate is the number of heartbeats per unit of time, typically expressed as beats per minute (bpm).
Hegar's sign
Hegar's sign is a non-sensitive indication of pregnancy in women — its absence does not exclude pregnancy.
Hegar's sign is a non-sensitive indication of pregnancy in women — its absence does not exclude pregnancy.
Hepatosplenomegaly
Hepatosplenomegaly (commonly abbreviated HSM) is the simultaneous enlargement of both the liver (hepatomegaly) and the spleen (splenomegaly).
Hepatosplenomegaly (commonly abbreviated HSM) is the simultaneous enlargement of both the liver (hepatomegaly) and the spleen (splenomegaly).
Heterochromia iridum
In anatomy, heterochromia refers to a difference in coloration, usually of the iris but also of hair or skin.
In anatomy, heterochromia refers to a difference in coloration, usually of the iris but also of hair or skin.
Higouménakis' sign
Higouménakis' sign is a unilateral enlargement of the sternoclavicular portion of the clavicle, seen in congenital syphilis.
Higouménakis' sign is a unilateral enlargement of the sternoclavicular portion of the clavicle, seen in congenital syphilis.
Hildreth's Sign
Hildreth's sign is a physical examination technique useful in differentiating glomus tumors and hemangiopericytomas from other masses with a similar appearance.
Hildreth's sign is a physical examination technique useful in differentiating glomus tumors and hemangiopericytomas from other masses with a similar appearance.
Hippocratic face
The Hippocratic face (facies Hippocratica in Latin) is the change produced in the face by impending death, or long illness, excessive evacuations, excessive hunger, and the like.
The Hippocratic face (facies Hippocratica in Latin) is the change produced in the face by impending death, or long illness, excessive evacuations, excessive hunger, and the like.
Hirschberg test
In the fields of optometry and ophthalmology, the Hirschberg test, also Hirschberg corneal reflex test, is a screening test that can be used to assess whether a person has strabismus (ocul...
In the fields of optometry and ophthalmology, the Hirschberg test, also Hirschberg corneal reflex test, is a screening test that can be used to assess whether a person has strabismus (ocul...
Homans sign
In medicine, Homans' sign is a sign of deep vein thrombosis (DVT).
In medicine, Homans' sign is a sign of deep vein thrombosis (DVT).
Howship–Romberg sign
Howship–Romberg sign is a sign used to identify obturator hernia.
Howship–Romberg sign is a sign used to identify obturator hernia.
Hutchinson's pupil
Hutchinson's pupil is a clinical sign in which the pupil on the side of an intracranial mass lesion is dilated and unreactive to light, due to compression of the oculomotor nerve on that side.
Hutchinson's pupil is a clinical sign in which the pupil on the side of an intracranial mass lesion is dilated and unreactive to light, due to compression of the oculomotor nerve on that side.
Hutchinson's sign
Hutchinson's sign is a clinical sign which may refer to: :* A skin lesion on the tip of the nose precedes the development of ophthalmic herpes zoster.
Hutchinson's sign is a clinical sign which may refer to: :* A skin lesion on the tip of the nose precedes the development of ophthalmic herpes zoster.
Hutchinson's teeth
Hutchinson's teeth (also known as Hutchinson's incisor, Hutchinson's sign or Hutchinson-Boeck teeth) are a sign of congenital syphilis.
Hutchinson's teeth (also known as Hutchinson's incisor, Hutchinson's sign or Hutchinson-Boeck teeth) are a sign of congenital syphilis.
Hyperesthesia
Hyperesthesia (or hyperaesthesia) is a condition that involves an abnormal increase in sensitivity to stimuli of the sense.
Hyperesthesia (or hyperaesthesia) is a condition that involves an abnormal increase in sensitivity to stimuli of the sense.
Hyperpigmentation
In dermatology, hyperpigmentation is the darkening of an area of skin or nails caused by increased melanin.
In dermatology, hyperpigmentation is the darkening of an area of skin or nails caused by increased melanin.
Hypocalciuria
Hypocalciuria is a low level of calcium in the urine.
Hypocalciuria is a low level of calcium in the urine.
Hypokinesia
Hypokinesia refers to decreased bodily movement.
Hypokinesia refers to decreased bodily movement.
Hypomimia
Hypomimia, a medical sign, is a reduced degree of facial expression.
Hypomimia, a medical sign, is a reduced degree of facial expression.
Hyporeflexia
Hyporeflexia is the condition of below normal or absent reflexes.
Hyporeflexia is the condition of below normal or absent reflexes.
Ictal
Ictal refers to a physiologic state or event such as a seizure, stroke or headache.
Ictal refers to a physiologic state or event such as a seizure, stroke or headache.
Ideas of reference
Ideas of reference and delusions of reference involve people having a belief or perception that irrelevant, unrelated or innocuous phenomena in the world refer to them directly or have spe...
Ideas of reference and delusions of reference involve people having a belief or perception that irrelevant, unrelated or innocuous phenomena in the world refer to them directly or have spe...
Ideas of reference and delusions of reference
Ideas of reference and delusions of reference involve people having a belief or perception that irrelevant, unrelated or innocuous phenomena in the world refer to them directly or have spe...
Ideas of reference and delusions of reference involve people having a belief or perception that irrelevant, unrelated or innocuous phenomena in the world refer to them directly or have spe...
Index of Central Obesity
Index of Central Obesity is the ratio of waist circumference and height first proposed by a Parikh et al in 2007 as a better substitute to the widely-used waist circumference in defining metabol...
Index of Central Obesity is the ratio of waist circumference and height first proposed by a Parikh et al in 2007 as a better substitute to the widely-used waist circumference in defining metabol...
Inferior vena cava syndrome
Inferior vena cava syndrome (IVCS) is a result of obstruction of the inferior vena cava.
Inferior vena cava syndrome (IVCS) is a result of obstruction of the inferior vena cava.
Interstitial keratitis
Interstitial Keratitis (IK) basically means corneal scarring due to chronic inflammation of the corneal stroma.
Interstitial Keratitis (IK) basically means corneal scarring due to chronic inflammation of the corneal stroma.
Intracranial pressure
Intracranial pressure (ICP) is the pressure inside the skull and thus in the brain tissue and cerebrospinal fluid (CSF).
Intracranial pressure (ICP) is the pressure inside the skull and thus in the brain tissue and cerebrospinal fluid (CSF).
Intrusive thoughts
Intrusive thoughts are unwelcome involuntary thoughts, images, or unpleasant ideas that may become obsessions, are unsetting or distressing, and can be difficult to manage or eliminate.
Intrusive thoughts are unwelcome involuntary thoughts, images, or unpleasant ideas that may become obsessions, are unsetting or distressing, and can be difficult to manage or eliminate.
Janeway lesion
Janeway lesions are non-tender, small erythematous or haemorrhagic macular or nodular lesions on the palms or soles only a few millimeters in diameter that are pathognomonic of infective endocar...
Janeway lesions are non-tender, small erythematous or haemorrhagic macular or nodular lesions on the palms or soles only a few millimeters in diameter that are pathognomonic of infective endocar...
Joffroy's sign
Joffroy's sign is a clinical sign in which there is a lack of wrinkling of the forehead when a patient looks up with the head bent forwards.
Joffroy's sign is a clinical sign in which there is a lack of wrinkling of the forehead when a patient looks up with the head bent forwards.
Kanavel's sign
Kanavel's sign is a clinical sign found in patients with infection of a flexor tendon sheath in the hand, a serious condition which can cause rapid loss of function of the affected finger.
Kanavel's sign is a clinical sign found in patients with infection of a flexor tendon sheath in the hand, a serious condition which can cause rapid loss of function of the affected finger.
Kehr's sign
Kehr's sign is the occurrence of acute pain in the tip of the shoulder due to the presence of blood or other irritants in the peritoneal cavity when a person is lying down and the legs are elevated.
Kehr's sign is the occurrence of acute pain in the tip of the shoulder due to the presence of blood or other irritants in the peritoneal cavity when a person is lying down and the legs are elevated.
Kernohan's notch
Kernohan's notch is a cerebral peduncle indentation associated with some forms of transtentorial herniation (uncal herniation).
Kernohan's notch is a cerebral peduncle indentation associated with some forms of transtentorial herniation (uncal herniation).
Khodadoust line
A Khodadoust Line or chronic focal transplant reaction is a medical sign that indicates a complication of corneal graft surgery on the eye.
A Khodadoust Line or chronic focal transplant reaction is a medical sign that indicates a complication of corneal graft surgery on the eye.
Koeppe's nodules
Koeppe's nodules are small nodules seen at the inner margin of the iris in patients with granulomatous anterior uveitis (such as Fuchs heterochromic iridocyclitis (FHI)), which occurs in conditi...
Koeppe's nodules are small nodules seen at the inner margin of the iris in patients with granulomatous anterior uveitis (such as Fuchs heterochromic iridocyclitis (FHI)), which occurs in conditi...
Ladin's sign
Ladin's sign is a clinical sign of pregnancy in which there is softening in the midline of the uterus anteriorly at the junction of the uterus and cervix.
Ladin's sign is a clinical sign of pregnancy in which there is softening in the midline of the uterus anteriorly at the junction of the uterus and cervix.
Lancisi's sign
Lancisi's sign is a clinical sign in which a large venous wave, or Giant V wave, is visible in the jugular vein in patients with tricuspid regurgitation.
Lancisi's sign is a clinical sign in which a large venous wave, or Giant V wave, is visible in the jugular vein in patients with tricuspid regurgitation.
Larrey's sign
Larrey's sign is a clinical sign in which patients with sacroiliitis experience pain in the sacroiliac area of the lower back on sitting down suddenly on a hard chair.
Larrey's sign is a clinical sign in which patients with sacroiliitis experience pain in the sacroiliac area of the lower back on sitting down suddenly on a hard chair.
Lesion
A lesion is any abnormal tissue found on or in an organism, usually damaged by disease or trauma.
A lesion is any abnormal tissue found on or in an organism, usually damaged by disease or trauma.
Levine's sign
Levine's sign is a clenched fist held over the chest to describe ischemic chest pain.
Levine's sign is a clenched fist held over the chest to describe ischemic chest pain.
Liebermeister's rule
Liebermeister's rule concerns the increment ratio between and adult individual's cardiac frequency and temperature when in fever.
Liebermeister's rule concerns the increment ratio between and adult individual's cardiac frequency and temperature when in fever.
Linea nigra
Linea nigra (Latin for "black line") is a dark vertical line that appears on the abdomen during about three quarters of all pregnancies.
Linea nigra (Latin for "black line") is a dark vertical line that appears on the abdomen during about three quarters of all pregnancies.
Lisker's sign
Lisker's sign is a clinical sign in which there is tenderness when the front, middle (anteromedial) part of the tibia is percussed.
Lisker's sign is a clinical sign in which there is tenderness when the front, middle (anteromedial) part of the tibia is percussed.
Litten's sign
Litten's sign is a clinical sign in which cotton wool spots are seen on fundoscopic examination of the retina in patients with infective endocarditis.
Litten's sign is a clinical sign in which cotton wool spots are seen on fundoscopic examination of the retina in patients with infective endocarditis.
Louvel's sign
Louvel's sign is a clinical sign found in patients with deep vein thrombosis.
Louvel's sign is a clinical sign found in patients with deep vein thrombosis.
Lowenberg's sign
Lowenberg's sign is a clinical sign found in patients with deep vein thrombosis of the lower leg.
Lowenberg's sign is a clinical sign found in patients with deep vein thrombosis of the lower leg.
Lucid interval
In emergency medicine, a lucid interval is a temporary improvement in a patient's condition after a traumatic brain injury, after which the condition deteriorates.
In emergency medicine, a lucid interval is a temporary improvement in a patient's condition after a traumatic brain injury, after which the condition deteriorates.
Lépine's sign
Lépine's sign is one of gallbladder signs, and is positive when there is pain at effleurage with crooked third finger in the point of gallbladder projection to anterior abdominal wall.
Lépine's sign is one of gallbladder signs, and is positive when there is pain at effleurage with crooked third finger in the point of gallbladder projection to anterior abdominal wall.
Magnan's sign
Magnan's sign is a clinical sign in which people with cocaine addiction experience paraesthesia which feels like a constantly moving foreign body, such as fine sand or powder, under the skin.
Magnan's sign is a clinical sign in which people with cocaine addiction experience paraesthesia which feels like a constantly moving foreign body, such as fine sand or powder, under the skin.
Markle sign
The Markle sign or jar tenderness is a clinical sign in which pain in the right lower quadrant of the abdomen is elicited by dropping from standing on the toes to the heels with a jarring ...
The Markle sign or jar tenderness is a clinical sign in which pain in the right lower quadrant of the abdomen is elicited by dropping from standing on the toes to the heels with a jarring ...
Matchbox sign
Matchbox sign is a psychiatric symptom.
Matchbox sign is a psychiatric symptom.
Mayne's sign
Mayne's sign is a clinical sign in which there is a drop of at least in the systolic blood pressure on raising the arm.
Mayne's sign is a clinical sign in which there is a drop of at least in the systolic blood pressure on raising the arm.
McBurney's point
McBurney's point is the name given to the point over the right side of the abdomen that is one-third of the distance from the ASIS (anterior superior iliac spine) to the umbilicus (the belly button).
McBurney's point is the name given to the point over the right side of the abdomen that is one-third of the distance from the ASIS (anterior superior iliac spine) to the umbilicus (the belly button).
Mean arterial pressure
The mean arterial pressure (MAP) is a term used in medicine to describe an average blood pressure in an individual.
The mean arterial pressure (MAP) is a term used in medicine to describe an average blood pressure in an individual.
Means-Lerman scratch
The Means-Lerman scratch is an uncommon type of heart murmur which occurs in patients with hyperthyroidism.
The Means-Lerman scratch is an uncommon type of heart murmur which occurs in patients with hyperthyroidism.
Mediastinal lymphadenopathy
Mediastinal lymphadenopathy or mediastinal adenopathy is an enlargement of the mediastinal lymph nodes.
Mediastinal lymphadenopathy or mediastinal adenopathy is an enlargement of the mediastinal lymph nodes.
Medical sign
A medical sign is an objective indication of some medical fact or characteristic that may be detected by a physician during a physical examination of a patient.
A medical sign is an objective indication of some medical fact or characteristic that may be detected by a physician during a physical examination of a patient.
Melasma suprarenale
Melasma suprarenale is Latin, meaning literally "darkening, (of) above the kidneys" which signifies that it is caused by disease in the adrenal glands (also known as "suprarenal glands", and...
Melasma suprarenale is Latin, meaning literally "darkening, (of) above the kidneys" which signifies that it is caused by disease in the adrenal glands (also known as "suprarenal glands", and...
Meningism
Meningism is the triad of nuchal rigidity (neck stiffness), photophobia (intolerance of bright light) and headache.
Meningism is the triad of nuchal rigidity (neck stiffness), photophobia (intolerance of bright light) and headache.
Microcalcification
Microcalcifications are tiny specks of mineral deposits (calcium), that can be scattered throughout the mammary gland, or occur in clusters.
Microcalcifications are tiny specks of mineral deposits (calcium), that can be scattered throughout the mammary gland, or occur in clusters.
Moniz sign
Moniz sign is a clinical sign in which forceful passive plantar flexion of the ankle elicits an extensor plantar reflex.
Moniz sign is a clinical sign in which forceful passive plantar flexion of the ankle elicits an extensor plantar reflex.
Mood congruence
In psychiatry, mood congruence is the congruence between feeling, or the emotion that a person is experiencing, and affect display, or the manner in which that emotion is "presenting", or being ...
In psychiatry, mood congruence is the congruence between feeling, or the emotion that a person is experiencing, and affect display, or the manner in which that emotion is "presenting", or being ...
Moon face
Moon face, or moon facies, is a medical sign where the face swells up into a rounded shape and may result in dejapanization.
Moon face, or moon facies, is a medical sign where the face swells up into a rounded shape and may result in dejapanization.
Muehrcke's nails
Muehrcke's nails, Muehrcke's lines, or leukonychia striata, are changes in the fingernail that may be a sign of an underlying medical disorder or condition.
Muehrcke's nails, Muehrcke's lines, or leukonychia striata, are changes in the fingernail that may be a sign of an underlying medical disorder or condition.
Mulder's sign
Mulder’s Sign is a physical exam finding associated with Morton's neuroma, which may be elicited while the patient is in the supine position on the examination table.
Mulder’s Sign is a physical exam finding associated with Morton's neuroma, which may be elicited while the patient is in the supine position on the examination table.
Munson's sign
Munson's sign is a V-shaped indentation observed in the lower eyelid when the patient's gaze is directed downwards.
Munson's sign is a V-shaped indentation observed in the lower eyelid when the patient's gaze is directed downwards.
Murphy's sign
In medicine, Murphy's sign refers to a maneuver during a physical examination as part of the abdominal examination and a finding elicited in ultrasonography.
In medicine, Murphy's sign refers to a maneuver during a physical examination as part of the abdominal examination and a finding elicited in ultrasonography.
Muscle atrophy
Muscle atrophy is defined as a decrease in the mass of the muscle; it can be a partial or complete wasting away of muscle.
Muscle atrophy is defined as a decrease in the mass of the muscle; it can be a partial or complete wasting away of muscle.
Myoclonus
Myoclonus is brief, involuntary twitching of a muscle or a group of muscles.
Myoclonus is brief, involuntary twitching of a muscle or a group of muscles.
Myokmia
Myokimia is an involuntary and continuous Myoclonus (muscle twitch) that affects the muscles of the face, particularly the eyelids, as a result of the random firing of neurons leading into the m...
Myokimia is an involuntary and continuous Myoclonus (muscle twitch) that affects the muscles of the face, particularly the eyelids, as a result of the random firing of neurons leading into the m...
Myopathic gait
Myopathic gait (or waddling gait) is a form of gait abnormality.
Myopathic gait (or waddling gait) is a form of gait abnormality.
Möbius sign
Möbius sign is a clinical sign in which there is an inability to maintain convergence of the eyes.
Möbius sign is a clinical sign in which there is an inability to maintain convergence of the eyes.
Müller's sign
Müller's sign is the pulsation or bobbing of the uvula that occurs during systole.
Müller's sign is the pulsation or bobbing of the uvula that occurs during systole.
Nail clubbing
In medicine, nail clubbing (also known as "Drumstick fingers," "Hippocratic fingers," and "Watch-glass nails") is a deformity of the fingers and fingernails that is associated with a number of d...
In medicine, nail clubbing (also known as "Drumstick fingers," "Hippocratic fingers," and "Watch-glass nails") is a deformity of the fingers and fingernails that is associated with a number of d...
Neuroectodermal tumor
A neuroectodermal tumor is a tumor of the central or peripheral nervous system.
A neuroectodermal tumor is a tumor of the central or peripheral nervous system.
Neurofibrillary tangle
Neurofibrillary Tangles are aggregates of hyperphosphorylated tau protein that are most commonly known as a primary marker of Alzheimer's Disease.
Neurofibrillary Tangles are aggregates of hyperphosphorylated tau protein that are most commonly known as a primary marker of Alzheimer's Disease.
Neurological sign
A neurological sign is a class of medical signs.
A neurological sign is a class of medical signs.
Nicoladoni sign
In medicine, the Nicoladoni sign, also Branham sign and Nicoladoni-Israel-Branham sign, is the slowing of the heart rate in response to (manual) compression of an arteriovenous fistula.
In medicine, the Nicoladoni sign, also Branham sign and Nicoladoni-Israel-Branham sign, is the slowing of the heart rate in response to (manual) compression of an arteriovenous fistula.
Night sweats
Sleep hyperhidrosis, more commonly known as the night sweats, is the occurrence of excessive sweating (hyperhidrosis) during sleep.
Sleep hyperhidrosis, more commonly known as the night sweats, is the occurrence of excessive sweating (hyperhidrosis) during sleep.
Normal human body temperature
Normal human body temperature, also known as normothermia or evn as euthermia, is a concept that depends upon the place in the body at which the measurement is made, and the time of day ...
Normal human body temperature, also known as normothermia or evn as euthermia, is a concept that depends upon the place in the body at which the measurement is made, and the time of day ...
Nystagmus
Nystagmus is a condition of involuntary eye movement, acquired in infancy or later in life, that may result in reduced or limited vision.
Nystagmus is a condition of involuntary eye movement, acquired in infancy or later in life, that may result in reduced or limited vision.
Ober's test
Ober's test is a test used in physical examination in order to identify contracture of the iliotibial band.
Ober's test is a test used in physical examination in order to identify contracture of the iliotibial band.
Obturator sign
The obturator sign, also known as the Cope sign, is an indicator of irritation to the obturator internus muscle.
The obturator sign, also known as the Cope sign, is an indicator of irritation to the obturator internus muscle.
Ocular dysmetria
Ocular dysmetria is a form of dysmetria that involves the constant under- or over-shooting of the eyes when attempting to focus gaze on something.
Ocular dysmetria is a form of dysmetria that involves the constant under- or over-shooting of the eyes when attempting to focus gaze on something.
Oliver's sign
Oliver's sign, or the tracheal tug sign, is an abnormal downward movement of the trachea during systole that can indicate a dilation or aneurysm of the aortic arch.
Oliver's sign, or the tracheal tug sign, is an abnormal downward movement of the trachea during systole that can indicate a dilation or aneurysm of the aortic arch.
Ophthalmia
Ophthalmia (also called Ophthalmitis) is inflammation of the eye.
Ophthalmia (also called Ophthalmitis) is inflammation of the eye.
Opsoclonus
Opsoclonus refers to uncontrolled eye movement.
Opsoclonus refers to uncontrolled eye movement.
Organomegaly
Organomegaly is the abnormal enlargement of organs.
Organomegaly is the abnormal enlargement of organs.
Orthostatic vital signs
Orthostatic vital signs are a series of vital signs of a patient taken standing, supine and sometimes sitting to form a baseline for analysis and comparison.
Orthostatic vital signs are a series of vital signs of a patient taken standing, supine and sometimes sitting to form a baseline for analysis and comparison.
Osler's sign
Osler's sign refers to one of the medical signs named in honor of the famous Professor William Osler, Professor of Medicine at McGill University and Johns Hopkins University.
Osler's sign refers to one of the medical signs named in honor of the famous Professor William Osler, Professor of Medicine at McGill University and Johns Hopkins University.
Osteopenia
Osteopenia is a condition where bone mineral density is lower than normal.
Osteopenia is a condition where bone mineral density is lower than normal.
Osteoporosis circumscripta
Osteoporosis Circumscripta Cranii refers to a highly circumscribed (focal) lytic lesion of the skull bone as seen on X-ray in patients with Paget's disease of bones.
Osteoporosis Circumscripta Cranii refers to a highly circumscribed (focal) lytic lesion of the skull bone as seen on X-ray in patients with Paget's disease of bones.
Palla's sign
Palla's sign is a clinical sign in which an enlarged right descending pulmonary artery is seen on the chest x-ray in patients with pulmonary embolism.
Palla's sign is a clinical sign in which an enlarged right descending pulmonary artery is seen on the chest x-ray in patients with pulmonary embolism.
Pallor
Pallor is a reduced amount of oxyhaemoglobin in skin or mucous membrane, a pale color which can be caused by illness, emotional shock or stress, stimulant use, lack of exposure to sunlight, anae...
Pallor is a reduced amount of oxyhaemoglobin in skin or mucous membrane, a pale color which can be caused by illness, emotional shock or stress, stimulant use, lack of exposure to sunlight, anae...
Parinaud's syndrome
Parinaud's Syndrome, also known as dorsal midbrain syndrome is a group of abnormalities of eye movement and pupil dysfunction.
Parinaud's Syndrome, also known as dorsal midbrain syndrome is a group of abnormalities of eye movement and pupil dysfunction.
Parrot's sign
Parrot's sign is the creation of pain with applied pressure to the retromandibular region of the head.
Parrot's sign is the creation of pain with applied pressure to the retromandibular region of the head.
Partial thromboplastin time
The partial thromboplastin time (PTT) or activated partial thromboplastin time (aPTT or APTT) is a performance indicator measuring the efficacy of both the "intrinsic" (now ref...
The partial thromboplastin time (PTT) or activated partial thromboplastin time (aPTT or APTT) is a performance indicator measuring the efficacy of both the "intrinsic" (now ref...
Pastia's lines
Pastia's sign or Pastia lines is a clinical sign in which pink or red lines formed of confluent petechiae are found in skin creases, particularly the flexor surface of the elbow.
Pastia's sign or Pastia lines is a clinical sign in which pink or red lines formed of confluent petechiae are found in skin creases, particularly the flexor surface of the elbow.
Pathognomonic
Pathognomonic (often misspelled as pathognomic and sometimes as pathomnemonic, synonym to pathopneumonic) is a term, often used in medicine, that means characteristic for a particu...
Pathognomonic (often misspelled as pathognomic and sometimes as pathomnemonic, synonym to pathopneumonic) is a term, often used in medicine, that means characteristic for a particu...
Pathologic nystagmus
Pathologic nystagmus is a form of involuntary eye movement.
Pathologic nystagmus is a form of involuntary eye movement.
Peau d'orange
The French term peau d'orange means "orange peel skin", or more literally, "skin of an orange".
The French term peau d'orange means "orange peel skin", or more literally, "skin of an orange".
Pemberton's sign
Pemberton's sign is the development of facial flushing, distended neck and head superficial veins, inspiratory stridor and elevation of the jugular venous pressure (JVP) upon raising of the pati...
Pemberton's sign is the development of facial flushing, distended neck and head superficial veins, inspiratory stridor and elevation of the jugular venous pressure (JVP) upon raising of the pati...
Perseveration
Perseveration is the repetition of a particular response, such as a word, phrase, or gesture, despite the absence or cessation of a stimulus, usually caused by brain injury or other organic disorder.
Perseveration is the repetition of a particular response, such as a word, phrase, or gesture, despite the absence or cessation of a stimulus, usually caused by brain injury or other organic disorder.
Photopsia
Photopsia is the presence of perceived flashes of light.
Photopsia is the presence of perceived flashes of light.
Piskacek's sign
In medicine, Piskacek's sign is an indication of pregnancy.
In medicine, Piskacek's sign is an indication of pregnancy.
Pleurothotonus
Pleurothotonus, also known as Pisa syndrome, refers to an involuntary state of lateral flexion of the thoracic and lumbar spine (hence the reference to leaning tower).
Pleurothotonus, also known as Pisa syndrome, refers to an involuntary state of lateral flexion of the thoracic and lumbar spine (hence the reference to leaning tower).
Pneumonia severity index
The pneumonia severity index PSI
Or PORT Score is a clinical prediction rule that medical practitioners can use to calculate the probability of morbidity and mortality among patients wit...
The pneumonia severity index PSI
Or PORT Score is a clinical prediction rule that medical practitioners can use to calculate the probability of morbidity and mortality among patients wit...
Poppy seed test (medical sign)
In medicine, the poppy seed test is a diagnostic test used before surgery to predict if surgery will find a colovesical fistula (an abnormal direct pathway between the colon and urinary bladder)...
In medicine, the poppy seed test is a diagnostic test used before surgery to predict if surgery will find a colovesical fistula (an abnormal direct pathway between the colon and urinary bladder)...
Post-traumatic amnesia
Post-traumatic amnesia (PTA) is a state of confusion that occurs immediately following a traumatic brain injury (TBI) in which the injured person is disoriented and unable to remember even...
Post-traumatic amnesia (PTA) is a state of confusion that occurs immediately following a traumatic brain injury (TBI) in which the injured person is disoriented and unable to remember even...
Post-traumatic epilepsy
Post-traumatic epilepsy (PTE) is a form of epilepsy that results from brain damage caused by physical trauma to the brain (traumatic brain injury, abbreviated TBI).
Post-traumatic epilepsy (PTE) is a form of epilepsy that results from brain damage caused by physical trauma to the brain (traumatic brain injury, abbreviated TBI).
Post-traumatic seizure
Post-traumatic seizures are seizures that result from traumatic brain injury, brain damage caused by physical trauma.
Post-traumatic seizures are seizures that result from traumatic brain injury, brain damage caused by physical trauma.
Pratt's sign
Pratt's sign is an indication of femoral deep vein thrombosis.
Pratt's sign is an indication of femoral deep vein thrombosis.
Prehn's sign
Prehn's sign is a medical diagnostic indicator that was once believed to help determine whether the presenting testicular pain is caused by acute epididymitis or from testicular torsion.
Prehn's sign is a medical diagnostic indicator that was once believed to help determine whether the presenting testicular pain is caused by acute epididymitis or from testicular torsion.
Pronator drift
In medicine, pronator drift (also known as pyramidal drift) refers to a pathologic sign seen during a neurological examination.
In medicine, pronator drift (also known as pyramidal drift) refers to a pathologic sign seen during a neurological examination.
Pseudoathetosis
Pseudoathetosis is abnormal writhing movements, usually of the fingers, caused by a failure of joint position sense (proprioception) and indicates disruption of the proprioceptive pathway, from ...
Pseudoathetosis is abnormal writhing movements, usually of the fingers, caused by a failure of joint position sense (proprioception) and indicates disruption of the proprioceptive pathway, from ...
Pseudohallucination
A pseudohallucination is an involuntary sensory experience vivid enough to be regarded as a hallucination, but recognised by the patient not to be the result of external stimuli.
A pseudohallucination is an involuntary sensory experience vivid enough to be regarded as a hallucination, but recognised by the patient not to be the result of external stimuli.
Psoas sign
The psoas sign is a medical sign that indicates irritation to the iliopsoas group of hip flexors in the abdomen, and consequently indicates that the inflamed appendix is retrocaecal in orientati...
The psoas sign is a medical sign that indicates irritation to the iliopsoas group of hip flexors in the abdomen, and consequently indicates that the inflamed appendix is retrocaecal in orientati...
Psychomotor retardation
Psychomotor retardation or psychomotor impairment comprises a slowing down of thought and a reduction of physical movements in an individual.
Psychomotor retardation or psychomotor impairment comprises a slowing down of thought and a reduction of physical movements in an individual.
Puddle sign
In gastroenterology, the puddle sign is a physical examination maneuver that can be used to detect the presence of ascites.
In gastroenterology, the puddle sign is a physical examination maneuver that can be used to detect the presence of ascites.
Pulmonic regurgitation
Pulmonic regurgitation, also known as pulmonary regurgitation, is the backward flow of blood from the pulmonary artery, through the pulmonary valve, and into the right ventricle of the hea...
Pulmonic regurgitation, also known as pulmonary regurgitation, is the backward flow of blood from the pulmonary artery, through the pulmonary valve, and into the right ventricle of the hea...
Pulse pressure
A pulse pressure is considered abnormally low if it is less than 25% of the systolic value.
A pulse pressure is considered abnormally low if it is less than 25% of the systolic value.
Pulsus bisferiens
In medicine, pulsus bisferiens, also bisferious pulse or biphasic pulse, is a sign where, on palpation of the pulse, a double peak per cardiac cycle can be appreciated.
In medicine, pulsus bisferiens, also bisferious pulse or biphasic pulse, is a sign where, on palpation of the pulse, a double peak per cardiac cycle can be appreciated.
Pulsus paradoxus
In medicine, a pulsus paradoxus (PP), also paradoxic pulse or paradoxical pulse, is defined as an exaggeration (more than 10 torr) of the normal variation during the inspiratory pha...
In medicine, a pulsus paradoxus (PP), also paradoxic pulse or paradoxical pulse, is defined as an exaggeration (more than 10 torr) of the normal variation during the inspiratory pha...
Pulsus tardus et parvus
In medicine, pulsus tardus et parvus, also pulsus parvus et tardus, slow-rising pulse and anacrotic pulse, is a sign where, upon palpation, the pulse is weak/small (parvus), an...
In medicine, pulsus tardus et parvus, also pulsus parvus et tardus, slow-rising pulse and anacrotic pulse, is a sign where, upon palpation, the pulse is weak/small (parvus), an...
Purpura
Purpura (from purpura, meaning "purple") is the appearance of red or purple discolorations on the skin that do not blanch on applying pressure.
Purpura (from purpura, meaning "purple") is the appearance of red or purple discolorations on the skin that do not blanch on applying pressure.
Rachitic rosary
The prominent knobs of bone at the costochondral joints of rickets patients are known as a rachitic rosary or beading of the ribs.
The prominent knobs of bone at the costochondral joints of rickets patients are known as a rachitic rosary or beading of the ribs.
Rebound tenderness
Rebound tenderness is a clinical sign that a doctor may detect in physical examination of a patient's abdomen.
Rebound tenderness is a clinical sign that a doctor may detect in physical examination of a patient's abdomen.
Respiratory rate
Respiratory rate (aka respiration rate, pulmonary ventilation rate or ventilation rate, breathing frequency (BF)) is the number of breaths a living being, such as a human...
Respiratory rate (aka respiration rate, pulmonary ventilation rate or ventilation rate, breathing frequency (BF)) is the number of breaths a living being, such as a human...
Rhinolith
A rhinolith is a calculus present in the nasal cavity.
A rhinolith is a calculus present in the nasal cavity.
Rhonchi
Rhonchi is the coarse rattling sound somewhat like snoring, usually caused by secretion in bronchial airways.
Rhonchi is the coarse rattling sound somewhat like snoring, usually caused by secretion in bronchial airways.
Riesman's sign
Riesman's sign is a clinical sign in which a bruit can be heard over the eye.
Riesman's sign is a clinical sign in which a bruit can be heard over the eye.
Rohrer's index
Rohrer’s Index is an anthropometric statistic which combines the height and weight of an individual into a singular metric.
Rohrer’s Index is an anthropometric statistic which combines the height and weight of an individual into a singular metric.
Romana's sign
Romana's sign, also known as a chagoma, is a medical term for the unilateral painless periorbital swelling associated with the acute stage of Chagas' disease.
Romana's sign, also known as a chagoma, is a medical term for the unilateral painless periorbital swelling associated with the acute stage of Chagas' disease.
Rose spots
Rose spots are red macular lesions 2-4 millimeters in diameter occurring in patients suffering from enteric fever (which includes typhoid and paratyphoid).
Rose spots are red macular lesions 2-4 millimeters in diameter occurring in patients suffering from enteric fever (which includes typhoid and paratyphoid).
Rose's sign
Rose's sign is a clinical sign in which the skin of one leg feels warm and stiff when pinched.
Rose's sign is a clinical sign in which the skin of one leg feels warm and stiff when pinched.
Rosenstein's sign
Rosenstein's sign is a sign of acute appendicitis.
Rosenstein's sign is a sign of acute appendicitis.
Rossolimo's sign
Rossolimo's sign is a clinical sign in which percussion of the tips of the toes causes an exaggerated flexion of the toes.
Rossolimo's sign is a clinical sign in which percussion of the tips of the toes causes an exaggerated flexion of the toes.
Rovsing's sign
Rovsing's sign, named after the Danish surgeon Niels Thorkild Rovsing, is a sign of appendicitis.
Rovsing's sign, named after the Danish surgeon Niels Thorkild Rovsing, is a sign of appendicitis.
Russell's sign
Russell's sign named after British psychiatrist Gerald Russell is a sign defined as calluses on the knuckles or back of the hand due to repeated self-induced vomiting over long periods of time.
Russell's sign named after British psychiatrist Gerald Russell is a sign defined as calluses on the knuckles or back of the hand due to repeated self-induced vomiting over long periods of time.
Salus's sign
Salus's sign is a clinical sign in which deflection of retinal venules can be seen on fundoscopy occurring in patients with hypertensive retinopathy.
Salus's sign is a clinical sign in which deflection of retinal venules can be seen on fundoscopy occurring in patients with hypertensive retinopathy.
Saphena varix
A saphena varix, or a saphenous varix is a dilation of the saphenous vein at its junction with the femoral vein in the groin.
A saphena varix, or a saphenous varix is a dilation of the saphenous vein at its junction with the femoral vein in the groin.
Schaeffer's sign
Schaeffer's sign is a clinical sign in which squeezing the Achilles tendon elicits an extensor plantar reflex.
Schaeffer's sign is a clinical sign in which squeezing the Achilles tendon elicits an extensor plantar reflex.
Schizophasia
In the mental health field, schizophasia, commonly referred to as word salad, is confused, and often repetitious, language that is symptomatic of various mental illnesses.
In the mental health field, schizophasia, commonly referred to as word salad, is confused, and often repetitious, language that is symptomatic of various mental illnesses.
Seidel sign
Seidel's sign (also called Seidel's scotoma or the Bjerrum scotoma) is a sickle-shaped scotoma that is a superior or inferior extension of the blind spot.
Seidel's sign (also called Seidel's scotoma or the Bjerrum scotoma) is a sickle-shaped scotoma that is a superior or inferior extension of the blind spot.
Sensory ataxia
Sensory ataxia is both a symptom and a sign in neurology.
Sensory ataxia is both a symptom and a sign in neurology.
Sherren's triangle
Sherren's triangle is an area of skin hyperaesthesia found in acute appendicitis.
Sherren's triangle is an area of skin hyperaesthesia found in acute appendicitis.
Shifting dullness
In medicine, shifting dullness refers to a sign, elicited on physical examination, for ascites.
In medicine, shifting dullness refers to a sign, elicited on physical examination, for ascites.
Simmonds' test
Simmonds' test (also called the Thompson test or Simmonds-Thompson test) is used in lower limb examination to test for the rupture of the achilles tendon.
Simmonds' test (also called the Thompson test or Simmonds-Thompson test) is used in lower limb examination to test for the rupture of the achilles tendon.
Sister Mary Joseph nodule
In philosophy, the Sister Mary Joseph nodule or node, also called Sister Mary Joseph sign, refers to a palpable nodule bulging into the umbilicus as a result of metastasis of a malig...
In philosophy, the Sister Mary Joseph nodule or node, also called Sister Mary Joseph sign, refers to a palpable nodule bulging into the umbilicus as a result of metastasis of a malig...
Sleep hyperhidrosis
Sleep hyperhidrosis, more commonly known as the night sweats, is the occurrence of excessive sweating (hyperhidrosis) during sleep.
Sleep hyperhidrosis, more commonly known as the night sweats, is the occurrence of excessive sweating (hyperhidrosis) during sleep.
Smoker's face
"Smoker's face" is a term used by doctors to describe the characteristic changes that happen to the faces of many people who smoke.
"Smoker's face" is a term used by doctors to describe the characteristic changes that happen to the faces of many people who smoke.
Sonographic Murphy sign
A Sonographic Murphy sign refers to a finding when performing diagnostic medical sonography.
A Sonographic Murphy sign refers to a finding when performing diagnostic medical sonography.
Spasm
In medicine a spasm is a sudden, involuntary contraction of a muscle, a group of muscles, or a hollow organ, or a similarly sudden contraction of an orifice.
In medicine a spasm is a sudden, involuntary contraction of a muscle, a group of muscles, or a hollow organ, or a similarly sudden contraction of an orifice.
Split hand syndrome
In medicine, split hand syndrome is a neurological syndrome in which the hand muscles on the side of the thumb (lateral, thenar eminence) appear wasted, whereas the muscles on the side of the li...
In medicine, split hand syndrome is a neurological syndrome in which the hand muscles on the side of the thumb (lateral, thenar eminence) appear wasted, whereas the muscles on the side of the li...
Spooning
Spooning or choreic hand is flexion and dorsal arching of the wrists and hyperextension of the fingers when the hands are extended sideways palms down.
Spooning or choreic hand is flexion and dorsal arching of the wrists and hyperextension of the fingers when the hands are extended sideways palms down.
Squawk (sound)
Squawks or short wheezes are brief "squeaky" sounds that are also referred to as squeaks.
Squawks or short wheezes are brief "squeaky" sounds that are also referred to as squeaks.
Straight leg raise
The Straight leg raise, also called Lasègue's sign, Lasègue test or Lazarević's sign, is a test done during the physical examination to determine whether a patient with low bac...
The Straight leg raise, also called Lasègue's sign, Lasègue test or Lazarević's sign, is a test done during the physical examination to determine whether a patient with low bac...
Stransky's sign
Stransky's sign is a clinical sign in which vigorous abduction followed by the sudden release of the little toe causes an extensor plantar reflex.
Stransky's sign is a clinical sign in which vigorous abduction followed by the sudden release of the little toe causes an extensor plantar reflex.
Stridor
Stridor is a high pitched wheezing sound resulting from turbulent air flow in the upper airway.
Stridor is a high pitched wheezing sound resulting from turbulent air flow in the upper airway.
Strümpell's sign
Strümpell's sign is a clinical sign in which the patient's attempt to flex the knee against resistance elicits an extensor plantar reflex.
Strümpell's sign is a clinical sign in which the patient's attempt to flex the knee against resistance elicits an extensor plantar reflex.
Subcutaneous emphysema
Subcutaneous emphysema, sometimes abbreviated SCE or SE and also called tissue emphysema, or Sub Q air, occurs when gas or air is present in the subcutaneous layer of the...
Subcutaneous emphysema, sometimes abbreviated SCE or SE and also called tissue emphysema, or Sub Q air, occurs when gas or air is present in the subcutaneous layer of the...
Sulcus sign
The Sulcus sign is an orthopedic evaluation test for glenohumeral instability of the shoulder.
The Sulcus sign is an orthopedic evaluation test for glenohumeral instability of the shoulder.
Swelling (medical)
In medical parlance, swelling is the transient enlargement or protuberance in the body and may include tumors.
In medical parlance, swelling is the transient enlargement or protuberance in the body and may include tumors.
Swinging-flashlight test
The swinging-flashlight test is used to help a practitioner decide whether reduced vision is due to ocular disease.
The swinging-flashlight test is used to help a practitioner decide whether reduced vision is due to ocular disease.
Tauopathy
Tauopathies are a class of neurodegenerative diseases resulting from the pathological aggregation of tau protein in the human brain.
Tauopathies are a class of neurodegenerative diseases resulting from the pathological aggregation of tau protein in the human brain.
Thought disorder
In psychiatry, thought disorder or formal thought disorder is a term used to describe incomprehensible language, either speech or writing, that is presumed to reflect thinking.
In psychiatry, thought disorder or formal thought disorder is a term used to describe incomprehensible language, either speech or writing, that is presumed to reflect thinking.
Throckmorton's reflex
Throckmorton's reflex is a clinical sign in which pressure over the dorsal side of the metatarsophalangeal joint of the big toe elicits a plantar reflex.
Throckmorton's reflex is a clinical sign in which pressure over the dorsal side of the metatarsophalangeal joint of the big toe elicits a plantar reflex.
Thrombocytopenia
Thrombocytopenia is a relative decrease of platelets in blood.
Thrombocytopenia is a relative decrease of platelets in blood.
Tonsillolith
Tonsilloliths, also known as a tonsil stones, are clusters of calcified material that form in the crevasses of the tonsils.
Tonsilloliths, also known as a tonsil stones, are clusters of calcified material that form in the crevasses of the tonsils.
Trendelenburg gait
The Trendelenburg gait pattern is an abnormal gait caused by weakness of the abductor muscles of the lower limb, gluteus medius and gluteus minimus.
The Trendelenburg gait pattern is an abnormal gait caused by weakness of the abductor muscles of the lower limb, gluteus medius and gluteus minimus.
Trousseau sign of latent tetany
Trousseau sign of latent tetany is a medical sign observed in patients with low calcium.
Trousseau sign of latent tetany is a medical sign observed in patients with low calcium.
Trousseau sign of malignancy
The Trousseau sign of malignancy is a medical sign found in certain cancers that is associated with venous thrombosis and hypercoagulability.
The Trousseau sign of malignancy is a medical sign found in certain cancers that is associated with venous thrombosis and hypercoagulability.
Tumor
A tumor or tumour is the name for a neoplasm or a solid lesion formed by an abnormal growth of cells (termed neoplastic) which looks like a swelling.
A tumor or tumour is the name for a neoplasm or a solid lesion formed by an abnormal growth of cells (termed neoplastic) which looks like a swelling.
Ulnar claw
An ulnar claw, also known as claw hand, is an abnormal hand position that develops due to a problem with the ulnar nerve.
An ulnar claw, also known as claw hand, is an abnormal hand position that develops due to a problem with the ulnar nerve.
Unterberger test
The Unterberger test, also Unterberger's test and Unterberger's stepping test, is a test used in otolaryngology to help assess whether a patient has a vestibular pathology.
The Unterberger test, also Unterberger's test and Unterberger's stepping test, is a test used in otolaryngology to help assess whether a patient has a vestibular pathology.
Uremic fetor
Uremic fetor is a urine-like odor on the breath of persons with uremia.
Uremic fetor is a urine-like odor on the breath of persons with uremia.
Urination
Urination, also known as micturition, voiding, peeing, weeing, pissing, and more rarely, emiction, is the ejection of urine from the urinary bladder through t...
Urination, also known as micturition, voiding, peeing, weeing, pissing, and more rarely, emiction, is the ejection of urine from the urinary bladder through t...
Valgus stress
The Valgus stress test is a test for ligament damage.
The Valgus stress test is a test for ligament damage.
Visual acuity
Visual acuity (VA) is acuteness or clearness of vision, which is dependent on the sharpness of the retinal focus within the eye and the sensitivity of the interpretative faculty of the brain.
Visual acuity (VA) is acuteness or clearness of vision, which is dependent on the sharpness of the retinal focus within the eye and the sensitivity of the interpretative faculty of the brain.
Vital signs
Vital signs are measures of various physiological statistics, often taken by health professionals, in order to assess the most basic body functions.
Vital signs are measures of various physiological statistics, often taken by health professionals, in order to assess the most basic body functions.
Von Braun-Fernwald's sign
Von Braun-Fernwald's sign is a clinical sign in which there is an irregular softening and enlargement of the uterine fundus during early pregnancy.
Von Braun-Fernwald's sign is a clinical sign in which there is an irregular softening and enlargement of the uterine fundus during early pregnancy.
Von Graefe's sign
Von Graefe's sign (lid lag sign) is the immobility or lagging of the upper eyelid on downward rotation of the eye, indicating exophthalmic goiter (Graves' Disease).
Von Graefe's sign (lid lag sign) is the immobility or lagging of the upper eyelid on downward rotation of the eye, indicating exophthalmic goiter (Graves' Disease).
Waddell's signs
Waddell's signs are a group of physical signs, first described in a 1980 article in Spine, and named for the article's principal author, Gordon Waddell.
Waddell's signs are a group of physical signs, first described in a 1980 article in Spine, and named for the article's principal author, Gordon Waddell.
Waist-hip ratio
Waist-hip ratio or waist-to-hip ratio (WHR) is the ratio of the circumference of the waist to that of the hips.
Waist-hip ratio or waist-to-hip ratio (WHR) is the ratio of the circumference of the waist to that of the hips.
Waist-to-height ratio
The waist-to-height ratio (WHtR) of a person is defined as the person's waist circumference, divided by the person's height.
The waist-to-height ratio (WHtR) of a person is defined as the person's waist circumference, divided by the person's height.
Waist–hip ratio
Waist-hip ratio or waist-to-hip ratio (WHR) is the ratio of the circumference of the waist to that of the hips.
Waist-hip ratio or waist-to-hip ratio (WHR) is the ratio of the circumference of the waist to that of the hips.
Watson's water hammer pulse
Watson's water hammer pulse is the medical sign which describes a pulse that is bounding and forceful, or, in other words, rapidly increasing and subsequently collapsing, as if it were the hitti...
Watson's water hammer pulse is the medical sign which describes a pulse that is bounding and forceful, or, in other words, rapidly increasing and subsequently collapsing, as if it were the hitti...
Weight and height percentile
Weight and height percentiles are determined by growth charts and body mass index charts to compare a child's measurements with those of other children in the same age group.
Weight and height percentiles are determined by growth charts and body mass index charts to compare a child's measurements with those of other children in the same age group.
Wellens' syndrome
Wellens' syndrome is an electrocardiographic manifestation of critical proximal left anterior descending coronary artery stenosis in patients with unstable angina.
Wellens' syndrome is an electrocardiographic manifestation of critical proximal left anterior descending coronary artery stenosis in patients with unstable angina.
Wheeze
A wheeze (formally called "sibilant rhonchi" in medical terminology) is a continuous, coarse, whistling sound produced in the respiratory airways during breathing.
A wheeze (formally called "sibilant rhonchi" in medical terminology) is a continuous, coarse, whistling sound produced in the respiratory airways during breathing.
White hand sign
The white hand sign is a medical sign observed as a visible whitening of skin on the hand when the subject elevates the hands above the shoulder girdle with fingers pointing to the ceiling and p...
The white hand sign is a medical sign observed as a visible whitening of skin on the hand when the subject elevates the hands above the shoulder girdle with fingers pointing to the ceiling and p...
Word salad
Word salad is a form of receptive aphasia where a mixture of random valid words that, while arranged in phrases that appear to give them meaning, actually carry no significance.
Word salad is a form of receptive aphasia where a mixture of random valid words that, while arranged in phrases that appear to give them meaning, actually carry no significance.
Wright's maneuver
Wright's maneuver is a clinical sign in which the radial pulse weakens or disappears when the arm is abducted and externally rotated.
Wright's maneuver is a clinical sign in which the radial pulse weakens or disappears when the arm is abducted and externally rotated.
Xanthochromia
Xanthochromia from the Greek xanthos (ξανθός)=yellow and chroma (χρώμα)=colour
Is the yellowish appearance of cerebrospinal fluid (which envelops the brain) in particular medical cond...
Xanthochromia from the Greek xanthos (ξανθός)=yellow and chroma (χρώμα)=colour
Is the yellowish appearance of cerebrospinal fluid (which envelops the brain) in particular medical cond...
Xanthoma
A xanthoma (pl. xanthomas or xanthomata) (condition: xanthomatosis), from Greek xanthos, ξανθος, "yellow", is a deposition of yellowish cholesterol-rich material in t...
A xanthoma (pl. xanthomas or xanthomata) (condition: xanthomatosis), from Greek xanthos, ξανθος, "yellow", is a deposition of yellowish cholesterol-rich material in t...