When every other QRS complex is a premature atrial contraction, then the rhythm is referred to as “atrial bigeminy” as seen ... will be prolonged. The ECG will show a premature, ectopic ...

The regular arrhythmia occurring at the beginning of the electrocardiogram was identified as ventricular bigeminy ... in the initial and follow-up ECG. VPCs (also called ventricular premature ...