In a healthy adult at rest, what is the normal duration of the PR Interval?
A) 0.20 - 0.26 sec
B) 0.12 - 0.20 sec
C) 0.04 - 0.08 sec
D) 0.08 - 0.12 sec

Question

Quizplus · Accepted Answer

The normal duration of the PR interval in a healthy adult at rest is 0.12 to 0.20 seconds. This interval represents the time between the onset of atrial depolarization and the onset of ventricular depolarization.

In a Healthy Adult at Rest, What Is the Normal