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- W2770086607 abstract "The feasibility of using photoplethysmography (PPG) for estimating heart rate variability (HRV) has been the subject of many recent studies with contradicting results. Accurate measurement of cardiac cycles is more challenging in PPG than ECG due to its inherent characteristics.We developed a PPG-only algorithm by computing a robust set of medians of the interbeat intervals between adjacent peaks, upslopes, and troughs. Abnormal intervals are detected and excluded by applying our criteria.We tested our algorithm on a large database from high-risk ICU patients containing arrhythmias and significant amounts of artifact. The average difference between PPG-based and ECG-based parameters is < 1% for pNN50, < 1 bpm for meanHR, < 1 ms for SDNN, < 3 ms for meanNN, and < 4 ms for SDSD and RMSSD.Our performance testing shows that the pulse rate variability (PRV) parameters are comparable to the HRV parameters from simultaneous ECG recordings." @default.
- W2770086607 created "2017-12-04" @default.
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- W2770086607 date "2017-11-01" @default.
- W2770086607 modified "2023-10-17" @default.
- W2770086607 title "Robust estimation of cardiac inter-beat intervals using photoplethysmography" @default.
- W2770086607 doi "https://doi.org/10.1016/j.jelectrocard.2017.08.040" @default.
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