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. Author manuscript; available in PMC: 2021 Jul 1.
Published in final edited form as: Biomed Signal Process Control. 2020 Apr 17;60:101947. doi: 10.1016/j.bspc.2020.101947

Fig. 2.

Fig. 2.

A patient’s arterial blood pressure waveform. Max(PP): Maximum pulse pressure over a respiratory cycle. Min(PP): Minimum pulse pressure over a respiratory cycle. Peaks and troughs in the waveform are used to estimate pulse pressure on a beat-by-beat basis by finding its maximum and minimum values over each respiratory cycle.