NDLI: Spatiotemporal QRST cancellation techniques for analysis of atrial fibrillation: methods and performance

Content Provider	IEEE Xplore Digital Library
Author	Stridh, M. Sornmo, L.
Copyright Year	1998
Description	Author affiliation: Dept. of Appl. Electron., Lund Univ., Sweden (Stridh, M.)
Abstract	A new approach to QRST cancellation in ECGs with atrial fibrillation is presented. The method compensates for morphological changes caused by variations in the electrical axis and uses linear transformations to combine multiple lead information. Based on an ECG database of 15 subjects with simulated atrial fibrillation, the authors' results show that the spatiotemporal technique produces QRST cancellation which is superior to that obtained by straightforward average beat subtraction (ABS). The average energy in QRST-related errors, as compared to ABS, was reduced to 58 percent. The performance results obtained for recorded ECGs containing atrial fibrillation agreed very well with those of the simulated AF signals.
Starting Page	633
Ending Page	636
File Size	376446
Page Count	4
File Format	PDF
ISBN	0780352009
ISSN	02766547
DOI	10.1109/CIC.1998.731953
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1998-09-13
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Spatiotemporal phenomena Performance analysis Atrial fibrillation Electrocardiography Maximum likelihood estimation Heart Signal processing Databases Maximum likelihood detection Morphology
Content Type	Text
Resource Type	Article

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