A preliminary attempt to understand compatibility of photoplethysmographic pulse rate variability with electrocardiogramic heart rate variability
نویسندگان
چکیده
In this study, we investigated the difference between heart rate variability (HRV) derived from electrocardiogramic(ECG) signals and pulse rate variability (PRV) derived from photoplethysmographic(PPG) signals. Fourteen healthy subjects conducted the protocol: 10 min physiological signals including distal pulse wave on finger and ear from photoplethysmography (PPG), and heart beat from electrocardiogram (ECG). In this paper, the analytical methods accounting for time and frequency domain, agreement, correlation coefficient and geometrical distribution were utilized to process the finger pulse rate variability (fPRV) and ear pulse rate variability (ePRV). The experimental results express that the parameters of frequency domain are inadequate in the subject group statistics, and fPRV and ePRV are sufficient surrogates for HRV derived from the ECG recording, while the ECG recording is unavailable and inconvenient. Photoplethysmography (PPG) could offer a simple and robust means to fulfill the requirements of rhythmical pulsation assessment.
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