Some consider 2:1 AV block to be type II block, claiming that the PR interval doesn't lengthen. What they don't realize is that determining whether the PR interval lengthens requires at least 2 ...
Objective:To identify the frequency of atrioventricular (AV) conduction improvement after discontinuation of the culprit drug in patients with AV block. Background:AV blockers are considered as ...
The mechanism of 2:1 atrioventricular block in infants with the congenital long QT syndrome has been postulated to result from a long ventricular effective refractory period interrupting conduction of ...