A patient is being evaluated for a blockage in the cardiac ventricles. The nurse assesses which part of the electrocardiogram as evidence of this blockage?

Question

Quizplus · Accepted Answer

The QRS interval on an electrocardiogram (ECG) represents the time it takes for the ventricles to depolarize, which corresponds to ventricular contraction. A blockage in the cardiac ventricles would likely affect the QRS interval, either by prolonging it or altering its shape, as it directly relates to ventricular activity.

A Patient Is Being Evaluated for a Blockage in the Cardiac