Patient monitor User’s manual
Chapter 22-11
22.7.2 R-R Interphase Difference Histogram
It reflects the difference of R-R interphase, namely, the extent of sinus
arrhythmia. The abscissa is the dispersion of R-R interphase of sinus beat. The
Select
【
Diff.
】
of the
【
HRV Analyze
】
menu , then the R-R interphase
difference histogram can be displayed as follows:
The abscissa is the R-R interphase of previous heart rate. And the ordinate
is the R-R interphase of next heart rate. The rest may be deduced by analogy.
The X-axis is RRn. The Y-axis is RRn+1. Each heart rate points make the R-R
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