NDLI: Detection of nonlinearity in temporal patterns of ventricular premature beats

Content Provider	IEEE Xplore Digital Library
Author	Osaka, M. Saitoh, H. Someya, T. Hayakawa, H. Cohen, R.J.
Copyright Year	1995
Description	Author affiliation: Div. of Health Sci. & Technol., MIT, Cambridge, MA, USA (Osaka, M.)
Abstract	The occurrence of ventricular premature beats (VPBs) is a common ventricular arrhythmia. However, relatively little is known about the temporal pattern of VPB generation. In this study the authors evaluated the temporal pattern of VPB generation by measurement of Lyapunov exponents. Twenty subjects were identified as having more than 3000 VPB's per day. For each patient the authors generated a time series consisting of number of VPBs in each minute of ECG data. They checked for the presence of nonlinearity in these time series using the surrogate data method and found that thirteen of the patients had a significant Lyapunov exponent. VPBs might be generated by chaotic dynamical mechanism in the eleven patients who had a significant positive Lyapunov exponent.
Starting Page	349
Ending Page	352
File Size	368551
Page Count	4
File Format	PDF
ISBN	0780330536
DOI	10.1109/CIC.1995.482657
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1995-09-10
Publisher Place	Austria
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Heart rate variability Electrocardiography Myocardium History Delay effects Mutual information Chaos Frequency Phase measurement Convergence
Content Type	Text
Resource Type	Article

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