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Spiral breakup in an array of coupled cells : the role of the intercellular conductance

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Abstract
We study numerically how the intercellular conductance affects the process of spiral breakup in an array of coupled excitable cells. The cell dynamics are described by the Aliev-Panlov model, and the intercellular connection is made via Ohmic elements. We find that decreasing intercellular conductance can prevent the breaking up of a spiral wave into a complex spatiotemporal pattern. We study the mechanism of this effect and show that the breakup disappears because of increasing the diastolic interval of an initial spiral wave.
Keywords
ACTION-POTENTIAL DURATION, VENTRICULAR-FIBRILLATION, ATRIAL-FIBRILLATION, EXCITABLE MEDIA, WAVES, MUSCLE, INSTABILITY, RESTITUTION, TISSUE, MODEL

Citation

Please use this url to cite or link to this publication:

Chicago
Panfilov, Alexander. 2002. “Spiral Breakup in an Array of Coupled Cells : the Role of the Intercellular Conductance.” Physical Review Letters 88 (11).
APA
Panfilov, A. (2002). Spiral breakup in an array of coupled cells : the role of the intercellular conductance. PHYSICAL REVIEW LETTERS, 88(11).
Vancouver
1.
Panfilov A. Spiral breakup in an array of coupled cells : the role of the intercellular conductance. PHYSICAL REVIEW LETTERS. 2002;88(11).
MLA
Panfilov, Alexander. “Spiral Breakup in an Array of Coupled Cells : the Role of the Intercellular Conductance.” PHYSICAL REVIEW LETTERS 88.11 (2002): n. pag. Print.
@article{8608613,
  abstract     = {We study numerically how the intercellular conductance affects the process of spiral breakup in an array of coupled excitable cells. The cell dynamics are described by the Aliev-Panlov model, and the intercellular connection is made via Ohmic elements. We find that decreasing intercellular conductance can prevent the breaking up of a spiral wave into a complex spatiotemporal pattern. We study the mechanism of this effect and show that the breakup disappears because of increasing the diastolic interval of an initial spiral wave.},
  articleno    = {118101},
  author       = {Panfilov, Alexander},
  issn         = {0031-9007},
  journal      = {PHYSICAL REVIEW LETTERS},
  keywords     = {ACTION-POTENTIAL DURATION,VENTRICULAR-FIBRILLATION,ATRIAL-FIBRILLATION,EXCITABLE MEDIA,WAVES,MUSCLE,INSTABILITY,RESTITUTION,TISSUE,MODEL},
  language     = {eng},
  number       = {11},
  pages        = {4},
  title        = {Spiral breakup in an array of coupled cells : the role of the intercellular conductance},
  url          = {http://dx.doi.org/10.1103/PhysRevLett.88.118101},
  volume       = {88},
  year         = {2002},
}

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