Which is the most common benign cardiac rhythm?: (A) Atrial premature contraction, (B) Atrial fibrillation, (C) Ventricular premature contraction, (D) Ventricular tachycardia
Answer is A. Atrial premature contraction mc benign rhythm during extended ECG monitoring. Asymptomatic, although some patients experience palpitations or an irregularity of the pulse. ECG -Identification of P wave that occurs before the anticipated sinus beat.