Key result
Chair-attached wireless ECG system successfully acquires non-constrained signals despite higher noise than standard electrodes.
Why the study?
A ubiquitous health care system for ECG monitoring in unconscious states was developed to enable convenient and simple ECG measurement without active patient participation.
Answers are grounded in this paper and cite their sources.
Experimental study demonstrates unobtrusive ECG acquisition using chair-embedded metal mesh electrodes, indicating feasible passive cardiac monitoring for ubiquitous healthcare.
In this study, ubiquitous health care system attaching in chair to monitor ECG for health care was developed at the unconsciousness state. The system conveniently and simple measured ECG at non-consciousness. We measured the contact impedance to skin-electrode of metal mesh electrodes of the system. Contact impedance enable the electrode to use for ECG measurement. The results are that the impedance of the metal mesh electrodes according to sizes is low when the size is 4 cm² . As the result, when the size of the metal mesh electrode is 4 cm² , the electrode is fit for ECG measurement. We can acquired by positing the arm on the metal mesh electrode. The ECG signal was detected using a high-input-impedance bio-amplifier, and then passed filter circuitry. The measured signal transmitted to a PC through the bluetooth wireless communication and monitored. Data of the non-constrained ECG system attaching in chair is noise-data when comparing metal mesh electrode with the Ag/Agcl electrode but the data is significant to monitor ECG for check the body state.
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Ye et al. (2008) studied this question. Wireless chair-attached ECG measurement system using metal mesh electrodes vs. Ag/AgCl electrode was evaluated on Contact impedance and ECG signal acquisition. A chair-attached wireless ECG measurement system using 4 cm2 metal mesh electrodes successfully acquired ECG signals for non-constrained monitoring, despite higher noise than standard Ag/AgCl electrodes.
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