DocumentCode
2820170
Title
Hidden Markov model in wavelet analysis of myocardial ischemia in rabbit
Author
Bardonova, J. ; Provaznik, I. ; Novakova, M. ; Novakova, Z.
Author_Institution
Brno Univ., Czech Republic
fYear
2000
fDate
2000
Firstpage
419
Lastpage
421
Abstract
Deals with analysis of myocardial ischemia caused by left anterior coronary artery occlusion. A system based on hidden Markov models has been designed. The vectorcardiograms recorded before and during the episode of local ischemia were preprocessed by wavelet transform to reveal short-time events during ventricular depolarization. To verify the models, 11 Langendorf-perfused rabbit hearts have been used. The presented results show that models can detect early ischemia in one of three orthogonal electrocardiograms in more than 90% of cases
Keywords
diseases; electrocardiography; hidden Markov models; medical signal processing; muscle; physiological models; wavelet transforms; ECG analysis; early ischemia detection; electrodiagnostics; left anterior coronary artery occlusion; myocardial ischemia; orthogonal electrocardiograms; rabbit; short-time events; ventricular depolarization; Animals; Arterial occlusion; Heart; Hidden Markov models; Ischemic pain; Myocardium; Rabbits; Time frequency analysis; Wavelet analysis; Wavelet transforms;
fLanguage
English
Publisher
ieee
Conference_Titel
Computers in Cardiology 2000
Conference_Location
Cambridge, MA
ISSN
0276-6547
Print_ISBN
0-7803-6557-7
Type
conf
DOI
10.1109/CIC.2000.898546
Filename
898546
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