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 ...

All cases admitted or discharged from our institution between January 2008 and June 2009 with a diagnosis of AV block were reviewed. In addition, beginning in June 2009, data from all patients ...

What is the appropriate method(s) to evaluate a patient with 2:1 AV block? 2:1 AV block (a form of second degree AV nodal block) occurs when every other P wave is not conducted through the AV node to ...

What is the difference in the electrophysiologic mechanism of second degree type I AV block and second degree type II AV block? 2:1 AV block (a form of second degree AV nodal block) occurs when every ...

Right ventricular pacing restores an adequate heart rate in patients with atrioventricular block, but high percentages of right ventricular apical pacing may promote left ventricular systolic ...

In the treatment of atrioventricular block, dual-chamber cardiac pacing is thought to confer a clinical benefit as compared with single-chamber ventricular pacing, but the supporting evidence is ...

Background Conduction system pacing (CSP) has emerged as an alternative to right ventricular pacing (RVP) for ...

Mobitz type I heart block, a type of second-degree AV block, occurs when electrical signals progressively slow down, causing the heart to occasionally skip a beat. Most individuals with Mobitz type I ...