There are two subtypes of second-degree heart block: Mobitz type 1 (also called a Wenckebach block), which may or may not cause symptoms, and Mobitz type 2, which can cause problems pumping blood ...

In second-degree atrioventricular nodal block — also known as Wenckebach block or Mobitz Type ... a 1:1 P-wave-to-QRS-complex ratio is not maintained. Second-degree type I AV block is ...

In second-degree AV nodal block (a.k.a. Wenckebach block or Mobitz Type I ... AV nodal block, a 1:1 P wave to QRS complex ratio is not maintained. Second degree type I AV block is specifically ...