Which of the following intervals represents the entire ventricular depolarization and repolarization cycle?
A) PRI interval
B) Q-T interval
C) P-R Interval
D) R-R interval

Question

Quizplus · Accepted Answer

The Q-T interval on an electrocardiogram (ECG) represents the entire ventricular depolarization and repolarization cycle, indicating the time from the start of the Q wave to the end of the T wave. This encompasses both the contraction and relaxation phases of the ventricles.

Which of the Following Intervals Represents the Entire Ventricular Depolarization