R-R interval


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R-R in·ter·val

the time elapsing between two consecutive R waves in the electrocardiogram.

R-R interval

the interval from the peak of one QRS complex to the peak of the next as shown on an electrocardiogram. It is used to assess the ventricular rate. See also cardiac cycle.

R-R interval

In an electrocardiogram, the interval from the onset of one R wave to the onset of the next one, one complete cardiac cycle.
See also: interval