In second-degree type II AV nodal block (a.k.a. Mobitz Type II AV block), the AV node becomes completely refractory to conduction on an intermittent basis. For example, three consecutive P waves ...

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

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 ...

1 Department of Family Medicine, University of Washington, Seattle, Washington, USA 2 Department of Pediatrics, Emory University School of Medicine, Children's Healthcare of Atlanta, Atlanta, Georgia, ...

Second-degree heart blocks partially disrupt the electrical signals. Healthcare providers categorize second-degree heart block subtypes—Mobitz type 1 and type 2—based on their physical signs ...

Correspondence to Dr Jonathan A Drezner, Stadium Sports Medicine Center, University of Washington, Seattle, WA 98195, USA; jdrezner{at}uw.edu The most substantive change is the introduction of a ...