A first-degree AV node block occurs when conduction through the AV node is slowed, thus delaying the time it takes for the action potential to travel from the SA node, through the AV node, and to the ...

Damirbek Osmonov, M.D; Izzet Erdinler, M.D; Kazim Serhan Ozcan, M.D; Servet Altay, M.D; Ceyhan Turkkan, M.D; Ersin Yildirim, M.D; Hakan Hasdemir, M.D; Ahmet Taha ...

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 ...

In patients with atrioventricular septal defect (AVSD), the occurrence of nonsurgical AV block has been reported. We have looked for an explanation in the development of the AV conduction system.

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 ...

Correspondence to Dr S Serge Barold, University of South Florida College of Medicine, 5806 Mariner's Watch Drive, Tampa, FL 33615, USA; ssbarold{at}aol.com If you wish to reuse any or all of this ...

This Journal feature begins with a case vignette highlighting a common clinical problem. Evidence supporting various strategies is then presented, followed by a review of formal guidelines, when they ...

Abnormal heart rhythms (dysrhythmias) are caused by disturbances in electrical impulse generation or by abnormal conduction between chambers of the heart – principally within the sinus node, ...

20% of cases of autoimmune CHB are fatal and 64% of live births require a pacemaker 1.7% of pregnant women positive for anti-Ro or anti-La antibodies have a baby with autoimmune CHB, but the risk ...

An international team of scientists from Manchester, Montpellier and Copenhagen have identified why some endurance athletes experience a heart rhythm disturbance called ‘heart block’. The University ...