The nurse would be most concerned about premature ventricular contractions (PVCs) that
A) are uniform in appearance.
B) fall on a T wave.
C) occur at a rate of four per minute.
D) occur with angina.

Question

Quizplus · Accepted Answer

The downward slope of the T wave is the most vulnerable period of the cardiac cycle. PVCs occurring during this vulnerable period can precipitate the more life-threatening dysrhythmias of ventricular tachycardia and ventricular fibrillation.

The Nurse Would Be Most Concerned About Premature Ventricular Contractions