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ECG measurement on a chair without conductive contact

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3 Author(s)
Yong Gyu Lim ; Biomed. Eng. Dept., Seoul Nat. Univ. ; Ko Keun Kim ; Suk Park

For the purpose of long-term, everyday electrocardiogram (ECG) monitoring, we present a convenient method of ECG measurement without direct conductive contact with the skin while subjects sat on a chair wearing normal clothes. Measurements were made using electrodes attached to the back of a chair, high-input-impedance amplifiers mounted on the electrodes, and a large ground-plane placed on the chair seat. ECGs were obtained by the presented method for several types of clothing and compared to ECGs obtained from conventional measurement using Ag-AgCl electrodes. Motion artifacts caused by usual desk works were investigated. This study shows the feasibility of the method for long-term, convenient, everyday use

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Biomedical Engineering, IEEE Transactions on  (Volume:53 ,  Issue: 5 )