There are two subtypes of second-degree heart block: Mobitz type 1 (also called a Wenckebach block), which ... physical signs on an electrocardiogram (ECG), which records the electrical activity ...
Recall that 2:1 AV block can possibly be from either second degree type I AV nodal block (Wenckebach ... between the two potential rhythms when an ECG reveals 2:1 AV nodal block, a couple ...