A Real-Time Wearable Physiological Monitoring System for Home-Based Healthcare Applications
- Authors
- Jeong, Jin-Woo; Lee, Woochan; Kim, Young-Joon
- Issue Date
- Jan-2022
- Publisher
- MDPI
- Keywords
- ECG/EMG sensing; Physiological monitor; Rehabilitation training; Smart wearable device; Wireless communi-cation
- Citation
- Sensors, v.22, no.1
- Journal Title
- Sensors
- Volume
- 22
- Number
- 1
- URI
- https://scholarworks.bwise.kr/gachon/handle/2020.sw.gachon/83323
- DOI
- 10.3390/s22010104
- ISSN
- 1424-8220
- Abstract
- The acquisition of physiological data are essential to efficiently predict and treat cardiac patients before a heart attack occurs and effectively expedite motor recovery after a stroke. This goal can be achieved by using wearable wireless sensor network platforms for real‐time healthcare monitoring. In this paper, we present a wireless physiological signal acquisition device and a smartphone‐based software platform for real‐time data processing and monitor and cloud server access for everyday ECG/EMG signal monitoring. The device is implemented in a compact size (diameter: 30 mm, thickness: 4.5 mm) where the biopotential is measured and wirelessly transmitted to a smartphone or a laptop for real‐time monitoring, data recording and analysis. Adaptive digital filtering is applied to eliminate any interference noise that can occur during a regular at‐home environment, while minimizing the data process time. The accuracy of ECG and EMG signal coverage is assessed using Bland–Altman analysis by comparing with a reference physiological signal acquisition instrument (RHS2116 Stim/Recording System, Intan). Signal coverage of R‐R peak intervals showed almost identical outcome between this proposed work and the RHS2116, showing a mean difference in heart rate of 0.15 ± 4.65 bpm and a Wilcoxon’s p value of 0.133. A 24 h continuous recording session of ECG and EMG is conducted to demonstrate the robustness and stability of the device based on extended time wearability on a daily routine. © 2021 by the authors. Licensee MDPI, Basel, Switzerland.
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