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KMID : 1137820180390020087
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의공학회지
2018 Volume.39 No. 2 p.87 ~ p.93
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Comparison of Smart Watch Based Pulse Rate Variability with Heart Rate Variability
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Kim Chang-Jin
Woo Ji-Hwan
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Abstract
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The measurement of Heart Rate Variability (HRV) using electrocardiogram (ECG) signals has been used to predict fatigue and stress levels in a clinical environment, yet, owing to the complexity of such ECG systems, a domestic, nonclinical monitoring of HRV has not been a practical possibility. Recently though, Pulse Rate Variability (PRV) has been studied as an alternative to HRV. In this study, we investigated the reliability of measuring PRV by means of a smartwatch. The PRV results were compared to HRV results in similar test conditions, i.e. those obtained under rapid and deep-breathing scenarios. From the results obtained, it transpires that the Bland-Altman ratio and cross-correlation coefficients between several PRV and HRV parameters were highly correlated, thus suggesting that the results of measuring PRV using a smartwatch can be used to predict HRV in nonclinical environments.
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KEYWORD
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heart rate variability, pulse rate variability, smart watch, short heart rate variability, deep breathing test
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FullTexts / Linksout information
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