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A multilead scheme based on periodic component analysis for T-wave alternans analysis in the ECG.

Abstract:

T-wave alternans (TWA) is a cardiac phenomenon that appears in the electrocardiogram (ECG) and is associated with the mechanisms leading to sudden cardiac death (SCD). In this study, we propose the use of a multilead TWA analysis scheme that combines the Laplacian likelihood ratio (LLR) method and periodic component analysis (piCA), an eigenvalue decomposition technique whose aim is to extract the most periodic sources of the signal. The proposed scheme is evaluated in different scenarios--fr...

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Publication status:
Published

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Publisher copy:
10.1007/s10439-010-0029-z

Authors


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Institution:
University of Oxford
Department:
Oxford, MPLS, Engineering Science
Role:
Author
Journal:
Annals of biomedical engineering
Volume:
38
Issue:
8
Pages:
2532-2541
Publication date:
2010-08-05
DOI:
EISSN:
1573-9686
ISSN:
0090-6964
URN:
uuid:6cb261c1-911c-46da-b8e4-0adcd447ad28
Source identifiers:
65971
Local pid:
pubs:65971

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