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 ...

On ECG, a regular heartbeat starts with a smaller ... Healthcare providers break it down into two types: Mobitz type 1 ...

For example, three consecutive P waves may be followed by a QRS complex, giving the ECG a normal appearance ... second-degree AV block Mobitz Type I (Wenckebach) in which the PR interval ...