R-R interval


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R-R in·ter·val

the time elapsing between two consecutive R waves in the electrocardiogram.
Farlex Partner Medical Dictionary © Farlex 2012

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
Medical Dictionary, © 2009 Farlex and Partners