Key result
Adaptive filtering using an optical sensor incorporated into an ECG electrode significantly reduced motion-induced ECG artifacts in continuous ambulatory monitoring.
Why the study?
Does an optical sensor incorporated into an ECG electrode reduce motion-induced artifacts during continuous ambulatory ECG monitoring?
Does an optical sensor incorporated into an ECG electrode reduce motion-induced artifacts during continuous ambulatory ECG monitoring?
Incorporating an optical sensor into an ECG electrode to measure skin strain allows for adaptive filtering that significantly reduces motion artifacts during ambulatory monitoring.
Answers are grounded in this paper and cite their sources.
May support artifact-reduced ambulatory ECG; hypothesis-generating pending prospective validation before practice change.
The effectiveness of electrocardiogram (ECG) monitors can be significantly impaired by motion artifacts, which can trigger false alarms, cause misdiagnoses, and lead to inappropriate treatment decisions. Skin stretch associated with patient motion is the most significant source of motion artifacts in current ECG monitoring. In this study, motion artifacts are adaptively filtered by using skin strain as the reference variable, measured noninvasively using an optical sensor incorporated into an ECG electrode. The results demonstrate that this new device and method can significantly reduce motion induced ECG artifacts in continuous ambulatory ECG monitoring.
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Liu et al. (2011) studied Motion artifacts in ECG monitoring. Optical sensor incorporated into an ECG electrode was evaluated on Motion induced ECG artifacts. Adaptive filtering using an optical sensor incorporated into an ECG electrode significantly reduced motion-induced ECG artifacts in continuous ambulatory monitoring.
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