NDLI: Combined analysis of time and frequency series regularity applied to the study of atrial fibrillation

Content Provider	IEEE Xplore Digital Library
Author	Vaya, C. Rieta, J.J.
Copyright Year	2008
Description	Author affiliation: Innovation in Bioeng., Univ. de Castilla-La Mancha, Cuenca (Vaya, C.) \|\| Biomed. Synergy, Univ. Politec. de Valencia, Valencia (Rieta, J.J.)
Abstract	Atrial Fibrillation (AF) is the most common arrhythmia encountered in the clinical practice. In this work, a new method based on electrocardiogram (ECG) signal processing is carried out in order to distinguish between AF episodes that will terminate immediately and those that will sustain. This new method is based on a combined analysis of the atrial activity (AA) series regularity in both time and frequency domains. The regularity is measured by using the non-linear regularity estimator Sample Entropy (SampEn). The SampEn of these series of spectral parameters and the SampEn of the AA in the time-domain are studied jointly in a discriminant analysis. In global percentages, forty eight of fifty recordings (96%) were classified correctly by the discriminant analysis, which provided an improvement of 6% with respect to the univariate analysis of SampEn.
Starting Page	73
Ending Page	76
File Size	253339
Page Count	4
File Format	PDF
ISBN	9781424437061
ISSN	02766547
DOI	10.1109/CIC.2008.4748980
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-09-14
Publisher Place	Italy
Access Restriction	Subscribed
Rights Holder	Computers in Cardiology(CinC)
Subject Keyword	Time series analysis Frequency Atrial fibrillation Electrocardiography Entropy Databases Cardiology Spectrogram Testing Biomedical measurements
Content Type	Text
Resource Type	Article

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