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Improved frequency resolution for characterization of complex fractionated atrial electrograms.

Authors
  • 1
Type
Published Article
Journal
BioMedical Engineering OnLine
1475-925X
Publisher
Springer (Biomed Central Ltd.)
Publication Date
Volume
11
Pages
17–17
Identifiers
DOI: 10.1186/1475-925X-11-17
PMID: 22472065
Source
Medline

Abstract

Within the physiologically relevant frequency range for characterization of CFAE, the new method has approximately twice the spectral resolution of Fourier analysis, there is less error in estimating frequencies, and peaks appear more readily above the noise floor. Theoretically, when interference is not present, to resolve frequency components separated by 0.10 Hz using Fourier analysis would require an 18.2 s sequence duration, versus 8.4 s with the new method.

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