Third-degree atrioventricular nodal block, also known as third-degree heart block or complete heart block, occurs when no action potentials conduct through the AV node. This results in the P waves ...

AV nodal ischemia during an inferior MI can cause AV nodal blocks, as well. Note that if every second P wave is not conducted, there will not be enough time to see PR prolongation. This is called ...

In this report, 75% (43 of 57 patients) of patients with AV block caused by drugs had blocks at the level of the AV node. In addition, infranodal block was revealed in only 14% (eight of 57 ...