Key result
Novel integrated sensor system enables simultaneous, continuous monitoring of ECG, pulse wave, and PPG.
Why the study?
Accurate measurement of pulse transit time via ECG and pulse wave is challenged by body movement and pressure inaccuracies during pulse wave measurement.
May enable integrated multi-signal cardiovascular monitoring; leaves open prospective validation of accuracy and clinical utility.
심전도와 맥파를 측정함으로써 구해질 수 있는 맥파전달시간은 심혈관계의 상태를 진단하기 위한 의미 있는 지표가 된다. 그러나 맥파를 측정하는 동안 움직이거나, 측정 시에 가해지는 압력이 부정확할 경우, 잘못된 측정 결과를 얻을 수 있다. 이를 해결하기 위하여 본 논문에서는 심전도, 압력맥파 및 광전용적맥파를 동시에 측정할 수 있는 일체형 센서 시스템과 심전도를 지속적으로 측정할 수 있는 금속 전극을 개발하였으며, 실험을 통해 일체형 센서시스템 및 금속 전극의 유용성을 입증하였다. The pulse transit time(PTT), which is determined by measuring the electrocardiogram(ECG) and pulse wave, gives comprehensive information about the cardiovascular system. However, a little movement of body and/or inaccurate pressure applied to skin during the measurement of pulse wave leads to acquire incorrect results. To overcome such problem, we developed an integrated sensor system which makes it possible to measure ECG, pressure pulse wave(PPW) and photoplethysmograph(PPG) at the same time. Futhermore, we implemented a new metal electrode which enables to continuously measure ECG. We verified that both integrated sensor system and new electrode provide useful effect.
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전계록 et al. (2009) studied this question. Integrated sensor system and metal electrode was evaluated. An integrated sensor system and new metal electrode were developed to simultaneously and continuously measure ECG, pressure pulse wave, and photoplethysmograph.
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