Why the study?
Some patients are uncomfortable with being wired to a device to measure their heart activity.
A noncontact ECG monitoring system using conductive textiles in a chair can successfully acquire clear ECG signals when electrodes are placed at the same height.
Noncontact chair-based textile ECG may enable comfortable monitoring; leaves open validation before clinical adoption.
Some patients are uncomfortable with being wired to a device to have their heart activity measured. Accordingly, this study adopts a noncontact electrocardiogram (ECG) measurement system using coupled capacitance in a conductive textile. The textiles can be placed on a chair and are able to record some of the patient's heart data. Height and distance between the conductive textile electrodes were influential when trying to obtain an optimal ECG signal. A soft and highly conductive textile was used as the electrode, and clothing was regarded as capacitance insulation. The conductive textile and body were treated as the two electrode plates. This study found that placing the two conductive textiles at the same height provided better data than different heights. The system also enabled identifying the P, Q, R, S, and T waves of the ECG signal and eliminated unnecessary noise successfully.
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Su et al. (2021) studied this question.
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