The R- R interval is the time between the peaks of two successive QRS complexes and represents
A)atrial systole.
B)the amount of time between heartbeats.
C)ventricular diastole.
D)atrial diastole.
E)ventricular systole.

Question

Quizplus · Accepted Answer

The R-R interval measures the time between two successive heartbeats, as it is the time between the peaks of two QRS complexes, which represent ventricular depolarization.

The R- R Interval Is the Time Between the Peaks