Heart Rate Variability Monitoring during Sleep Based on Capacitively Coupled Textile Electrodes on a Bed
AbstractIn this study, we developed and tested a capacitively coupled electrocardiogram (ECG) measurement system using conductive textiles on a bed, for long-term healthcare monitoring. The system, which was designed to measure ECG in a bed with no constraints of sleep position and posture, included a foam layer to increase the contact region with the curvature of the body and a cover to ensure durability and easy installation. Nine healthy subjects participated in the experiment during polysomnography (PSG), and the heart rate (HR) coverage and heart rate variability (HRV) parameters were analyzed to evaluate the system. The experimental results showed that the mean of R-peak coverage was 98.0% (95.5%–99.7%), and the normalized errors of HRV time and spectral measures between the Ag/AgCl system and our system ranged from 0.15% to 4.20%. The root mean square errors for inter-beat (RR) intervals and HR were 1.36 ms and 0.09 bpm, respectively. We also showed the potential of our developed system for rapid eye movement (REM) sleep and wake detection as well as for recording of abnormal states. View Full-Text
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Lee, H.J.; Hwang, S.H.; Yoon, H.N.; Lee, W.K.; Park, K.S. Heart Rate Variability Monitoring during Sleep Based on Capacitively Coupled Textile Electrodes on a Bed. Sensors 2015, 15, 11295-11311.
Lee HJ, Hwang SH, Yoon HN, Lee WK, Park KS. Heart Rate Variability Monitoring during Sleep Based on Capacitively Coupled Textile Electrodes on a Bed. Sensors. 2015; 15(5):11295-11311.Chicago/Turabian Style
Lee, Hong Ji; Hwang, Su Hwan; Yoon, Hee Nam; Lee, Won Kyu; Park, Kwang Suk. 2015. "Heart Rate Variability Monitoring during Sleep Based on Capacitively Coupled Textile Electrodes on a Bed." Sensors 15, no. 5: 11295-11311.