NDLI: A new algorithm for measuring atrial fibrillation organization

Content Provider	IEEE Xplore Digital Library
Author	Sih, H.J. Berbari, E.J. Zipes, D.P. Olgin, J.E.
Copyright Year	1998
Description	Author affiliation: Indiana Univ., Indianapolis, IN, USA (Sih, H.J.)
Abstract	Subjective and quantitative measures of atrial fibrillation (AF) organization exist. The authors' introduce a new quantitative method and compare it to 2 previous algorithms. In the authors' method, 2 atrial electrograms are processed with 2 linear adaptive filters to predict 1 electrogram from the other. The mean-squared error (MSE) of the prediction quantifies the non-linearity or disorganization between the electrograms. From atrial epicardial recordings, MSE during sinus rhythm and atrial tachycardias were similar, but showed more organization than AF with different levels of vagal stimulation (VS). All 3 algorithms for quantifying AF organization showed low VS AF to be more organized than high VS AF, with MSE showing the most significant difference compared to the other 2 methods. MSE discriminates between AF and organized rhythms and is sensitive to different degrees of AF organization.
Starting Page	273
Ending Page	276
File Size	426371
Page Count	4
File Format	PDF
ISBN	0780352009
ISSN	02766547
DOI	10.1109/CIC.1998.731786
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	Atrial fibrillation Rhythm Animals Cardiology Adaptive filters Coherence Electric variables measurement Linearity Mathematical model Dogs
Content Type	Text
Resource Type	Article

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