There are two subtypes of second-degree heart block: Mobitz type 1 (also called a Wenckebach block), which may or may not ...

In second-degree atrioventricular nodal block — also known as Wenckebach block or Mobitz Type I AV block — varying failure of conduction through the AV node occurs, such that some P waves may ...

There are two types of second-degree heart block. The first is called Mobitz type 1. It is less serious and is unlikely to cause symptoms. The second type of second-degree heart block — Mobitz 2 ...

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 ...