How do you determine whether the atrial rhythm on an ECG tracing is regular or irregular?
A) Compare QT intervals.
B) Compare PR intervals.
C) Compare R to R intervals.
D) Compare P to P intervals.

Question

Quizplus · Accepted Answer

To evaluate the regularity of the atrial rhythm on a rhythm strip, the interval between two consecutive P waves is measured. The distance between succeeding P-P intervals is measured and compared. If the atrial rhythm is regular, the P-P intervals will measure the same.

How Do You Determine Whether the Atrial Rhythm on an ECG