Why the study?
Does a wearable ECG device with flexible capacitive electrodes improve heart rate detection accuracy during ambulatory monitoring?
Does a wearable ECG device with flexible capacitive electrodes improve heart rate detection accuracy during ambulatory monitoring?
A novel wearable ECG device using flexible capacitive electrodes provides accurate ambulatory heart rate monitoring by minimizing motion artifacts.
Supports feasibility of flexible capacitive electrodes for ambulatory ECG up to 7 km/h; leaves open clinical validation in diverse populations.
This study proposes the use of flexible capacitive electrodes for reducing motion artifacts in a wearable electrocardiogram (ECG) device. The capacitive electrodes have conductive foam on their surface, a shield, an optimal input bias resistor, and guarding feedback. The electrodes are integrated in a chest belt, and the acquired signals are transmitted wirelessly for ambulatory heart rate monitoring. We experimentally validated the electrode performance with subjects standing and walking on a treadmill at speeds of up to 7 km/h. The results confirmed the highly accurate heart rate detection capacity of the developed system and its feasibility for daily-life ECG monitoring.
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Lee et al. (2014) studied this question.
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