Presentation 2010-07-13
Suppression of spatio-temporal chaos in excitable media with fibrotic tissue
Masaki IRISAWA, Keiji KONISHI, Naoyuki HARA,
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Abstract(in English) Spiral waves and spatio-temporal chaos are the main causes of a serious cardiac arrhythmia. The cardiac muscle has characteristic features of excitable media. It is well known that the fibrosis of myocardium, sets of non-excitable cells, is strongly correlated with an incidence of serious arrhythmias. The present paper examines the suppression of spiral waves and spatio-temporal chaos in excitable media with fibrosis. The boundary periodic pacing is applied to the excitable media. The influence of non-excitable cells on the suppressing performance is investigated on numerical simulations. These numerical investigations suggest that the frequency of the boudary periodic pacing should be low for the high fibrosis ratio.
Keyword(in Japanese) (See Japanese page)
Keyword(in English) arrhythmia / defibrillation / spatio-temporal chaos / excitable media
Paper # NLP2010-44
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Committee NLP
Conference Date 2010/7/5(1days)
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Paper Information
Registration To Nonlinear Problems (NLP)
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Suppression of spatio-temporal chaos in excitable media with fibrotic tissue
Sub Title (in English)
Keyword(1) arrhythmia
Keyword(2) defibrillation
Keyword(3) spatio-temporal chaos
Keyword(4) excitable media
1st Author's Name Masaki IRISAWA
1st Author's Affiliation Graduate School of Engineering, Osaka Prefecture University()
2nd Author's Name Keiji KONISHI
2nd Author's Affiliation Graduate School of Engineering, Osaka Prefecture University
3rd Author's Name Naoyuki HARA
3rd Author's Affiliation Graduate School of Engineering, Osaka Prefecture University
Date 2010-07-13
Paper # NLP2010-44
Volume (vol) vol.110
Number (no) 122
Page pp.pp.-
#Pages 4
Date of Issue