In second-degree atrioventricular nodal block — also known as Wenckebach block or Mobitz ... When 2:1 AV block is present, the rhythm may be second-degree type I or second-degree type II AV ...
Various maneuvers can be employed to distinguish between the two potential rhythms when an ECG reveals ... second-degree AV nodal block type I (Wenkebach). Atropine administration: This enhances ...