The PR interval is normally ____ to ____ seconds in duration.

Name: The PR interval is normally ____ to ____ seconds in duration.
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The PR interval, which measures the time from the onset of atrial depolarization (P wave) to the onset of ventricular depolarization (QRS complex), is normally 0.12 to 0.20 seconds in duration. This reflects the time taken for the electrical impulse to travel from the sinus node through the AV node and into the ventricles.

The PR Interval Is Normally ____ to ____ Seconds in Duration

The PR Interval Is Normally to Seconds in Duration