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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Quesnel, P.X. Chan, A.D.C. Yang, H. |
| Copyright Year | 2014 |
| Description | Author affiliation: Dept. of Anesthesiology, Ottawa Hosp., Ottawa, ON, Canada (Yang, H.) || Dept. of Syst. & Comput. Eng., Carleton Univ., Ottawa, ON, Canada (Quesnel, P.X.; Chan, A.D.C.) |
| Abstract | Electrocardiography (ECG) can be used to monitor patients for myocardial ischemia, which is a precursor to myocardial infarction. Ambulatory ECG is often contaminated with motion artifact. In this paper, we investigate the effect of motion artifact on myocardial ischemia alarms and on estimates of the ECG signal quality. The presence of motion artifact in an ambulatory ECG leads to false identification of myocardial ischemia. A signal quality index, based on the consistency of the shape of PQRST complexes, is able to automatically identify the degradation in signal quality associated with the false positive identification of myocardial ischemia. Since myocardial ischemia typically presents over longer periods of time than motion artifact, the signal quality index may be used to simply gate alarms generated during periods of poor signal quality. Consequently, the automatic detection of ambulatory ECG quality may lead to increased specificity of myocardial ischemia detection while maintaining the sensitivity of commercially available systems. |
| Sponsorship | IEEE Instrum. Meas. Soc. |
| Starting Page | 1 |
| Ending Page | 5 |
| File Size | 753167 |
| Page Count | 5 |
| File Format | |
| e-ISBN | 9781479929214 |
| DOI | 10.1109/MeMeA.2014.6860078 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2014-06-11 |
| Publisher Place | Portugal |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Electrocardiography Myocardium Motion segmentation Monitoring Pollution measurement Signal to noise ratio Biomedical monitoring signal-to-noise ratio biosignal quality analysis electrocardiography myocardial ischemia signal processing |
| Content Type | Text |
| Resource Type | Article |
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