atrial bigeminy - an arrhythmia consisting of the repetitive sequence of one atrial premature complex followed by one normal sinus impulse.
atrioventricular nodal bigeminy - an arrhythmia in which an atrioventricular extrasystole is followed by a normal sinus impulse in repetitive sequence.
ventricular bigeminy - an arrhythmia consisting of the repeated sequence of one ventricular premature complex followed by one normal beat. AND SO ON AND SO FORTH