Fig. 5
From: Reliability of beat-to-beat blood pressure variability in older adults
Calculation of blood pressure variability metrics. (A) A single arterial pulse waveform with systolic blood pressure (SBP) peak and diastolic blood pressure (DBP) trough indicated. (B) Five blood pressure variability metric formulas used in the present analysis: Blood pressure (BP) standard deviation, coefficient of variation (CV), variability independent of the mean (VIM), SBPrange, and average real variability (ARV). (C) A visual representation of continuous BP waveform with 5 arterial pulse cycles and SBP measurements used for systolic blood pressure variability calculations.
