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Pis'ma v Zhurnal Èksperimental'noi i Teoreticheskoi Fiziki, 2016, Volume 104, Issue 9, Pages 658–659
DOI: https://doi.org/10.7868/S0370274X16210098
(Mi jetpl5107)
 

This article is cited in 2 scientific papers (total in 2 papers)

BIOPHYSICS

Spontaneous spiral wave breakup caused by pinning to the tissue defect

V. N. Kachalova, N. N. Kydryashovaab, K. I. Agladzea

a Laboratory of Biophysics of Excitable Systems, Moscow Institute of Physics and Technology, 141701 Dolgoprudniy, Russia
b Department of Physics and Astronomy, Ghent University, B-9000 Ghent, Belgium
Full-text PDF (210 kB) Citations (2)
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Abstract: The work presents a mechanism of spiral wave initiation due to the specific boundary conditions on a border of cardiac tissue defect. There are known scenarios when anatomical or functional defects in cardiac tissue may provoke the spiral wave origination, including unidirectional blockage while passing through the narrow gates, bent over critical curvature wave fronts, inhomogeneous recovery of the tissue, etc. We show a new scenario of spiral wave breakup on a small defect, which is unexcitable but permeable for ionic currents supporting the excitation wave. It was believed that such defects stabilize the rotating wave; however, as shown, instead of stabilizing it leads to the spiral breakup and subsequent multiplication of the rotating waves.
Funding agency Grant number
Russian Science Foundation 16-14-10091
The work was supported by the Russian Science Foundation grant # 16-14-10091.
Received: 27.07.2016
Revised: 16.09.2016
English version:
Journal of Experimental and Theoretical Physics Letters, 2016, Volume 104, Issue 9, Pages 635–638
DOI: https://doi.org/10.1134/S0021364016210025
Bibliographic databases:
Document Type: Article
Language: English
Citation: V. N. Kachalov, N. N. Kydryashova, K. I. Agladze, “Spontaneous spiral wave breakup caused by pinning to the tissue defect”, Pis'ma v Zh. Èksper. Teoret. Fiz., 104:9 (2016), 658–659; JETP Letters, 104:9 (2016), 635–638
Citation in format AMSBIB
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  • https://www.mathnet.ru/eng/jetpl/v104/i9/p658
  • This publication is cited in the following 2 articles:
    Citing articles in Google Scholar: Russian citations, English citations
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    Письма в Журнал экспериментальной и теоретической физики Pis'ma v Zhurnal Иksperimental'noi i Teoreticheskoi Fiziki
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    References:33
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