Back

On a 6-second electrocardiogram (ECG) strip, what is the PR interval?

Distance from the beginning of the P wave to the center of the R wave in the QRS complex. This represents the time used to stimulate the SA node, depolarize the atria, and conduct the impulse through the AV node prior to ventricular depolarization.

Related Questions

Pass the NCLEX Exam, Guaranteed

Your entire career may be on the line. Don't risk wasting time and money on a repeat exam if you fail. With NCLEX Premium, you'll walk out of the testing center feeling like you just took a first grade spelling test.