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T-wave alternans patterns during sleep in healthy, cardiac disease, and sleep apnea patients.

Abstract:

BACKGROUND: T-wave alternans (TWA) activity is known to be a function of heart rate and condition, as well as perhaps physiological state. A recently published nonparametric nonstationary TWA analysis method has been shown to reject nonstationary noise accurately using phase-randomized surrogates and has been shown to estimate TWA accurately. This new method was evaluated on multiple databases over a range of heart rates and in healthy subjects, cardiac disease patients, and obstructive sleep...

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Publication status:
Published

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Institution:
University of Oxford
Division:
MPLS
Department:
Engineering Science
Role:
Author
Volume:
44
Issue:
2
Pages:
126-130
Host title:
Journal of electrocardiology
Publication date:
2011-01-01
Event location:
United States
DOI:
EISSN:
1532-8430
ISSN:
0022-0736
Source identifiers:
127337

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