Mobitz type 1 (also called a Wenckebach block), which may or may not cause symptoms, and Mobitz type 2, which can cause ...
In second-degree atrioventricular nodal block — also known as Wenckebach block or Mobitz Type I AV block ... This is called 2:1 AV block, as depicted below: When 2:1 AV block is present ...