doi: 10.1109/10.841340.
Continuous localization of cardiac activation sites using a database of multichannel ECG recordings
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- PMID: 10851812
- DOI: 10.1109/10.841340
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Continuous localization of cardiac activation sites using a database of multichannel ECG recordings
IEEE Trans Biomed Eng.
2000 May.
Abstract
Monomorphic ventricular tachycardia and ventricular extrasystoles have a specific exit site that can be localized using the multichannel surface electrocardiogram (ECG) and a database of paced ECG recordings. An algorithm is presented that improves on previous methods by providing a continuous estimate of the coordinates of the exit site instead of selecting one out of 25 predetermined segments. The accuracy improvement is greatest, and most useful, when adjacent pacing sites in individual patients are localized relative to each other. Important advantages of the new method are the objectivity and reproducibility of the localization results.
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