2:1 AV block is a form of second degree AV nodal block and occurs when every other P wave is not conducted through the AV node to get to the ventricles and thus every other P wave is NOT followed by a ...

Ambulatory rhythm monitoring may be a valuable surveillance tool for the underappreciated complication of delayed high-grade atrioventricular block (DH-AVB) following transcatheter aortic valve ...

Israel's Prime Minister Benjamin Netanyahu was rushed to the Sheba Medical Center where early Sunday morning he had a cardiac pacemaker implanted. (Photo by JACK GUEZ/AFP via Getty Images) When you ...

Mobitz type I, also known as the Wenckebach block, is a subtype of second-degree atrioventricular (AV) block. Mobitz type I is a type of conduction disorder, which happens when the electrical signals ...

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 ...

A 31-year-old woman with no significant medical history presents with intermittent heart palpitations, dizziness, shortness of breath, and fatigue provoked by exercise. Can you make the diagnosis? A ...