Abstract
Electrocardiography (ECG) is a kind of electrical activities of the heart measured along the skin, and is also an important tool to diagnosis heart decease. In clinical, the conventional ECG electrode is generally used for measuring ECG signal. However, it requires skin preparation and conductive gels to reduce the impedance of the skin-Velectrode interface. These preparation procedures easily cause the inconvenience and discomfort for the user. Moreover, it also easily encounters the problem of conductive gels drying for long-term ECG measurement. In this study, a capacitive coupling electrode was proposed to measure ECG without contacting the patient body of the user directly. By using the proposed capacitive coupling electrode, ECG can be measured without any preparation and conductive gels. Finally, the electrical characteristic was validated, and ECG measurement was also tested in this study.
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