Ignore this box please.
More
Settings
Goodies
About
Help
Feedback
PRIVACY
DontTrack
DontBubble
Policy
COMMUNITY
Platform
Forum
Chat
Spread
Search syntax
s:d sort by date
r:uk uk region
site: domain search
\ search first result
More...
r:n turn off region
!a search search amazon
site:uk uk pages
f: find files
t: within title
b: within body
More explanation...
First-degree atrioventricular block
First-degree AV block, or PR prolongation, is a disease of the electrical conduction system of the heart in which the PR interval is lengthened beyond 0.20 seconds.
More at Wikipedia
Atrioventricular node
(AV node)
Electrical conduction system of the heart
More related topics
Electrocardiogram
(EKG)
Atrioventricular block
Trifascicular block
Second-degree AV block
This page requires Javascript.Get the non-JS version
here
.