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Chinese Physics, 2003, Vol. 12(6): 674-679    DOI: 10.1088/1009-1963/12/6/319
CROSS DISCIPLINARY PHYSICS AND RELATED AREAS OF SCIENCE AND TECHNOLOGY Prev  

Control of spiral waves and turbulent states in a cardiac model by travelling-wave perturbations

Wang Peng-Ye (王鹏业), Xie Ping (谢平), Yin Hua-Wei (尹华伟)
Laboratory of Soft Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100080, China
Abstract  We propose a travelling-wave perturbation method to control the spatiotemporal dynamics in a cardiac model. It is numerically demonstrated that the method can successfully suppress the wave instability (alternans in action potential duration) in the one-dimensional case and convert spiral waves and turbulent states to the normal travelling wave states in the two-dimensional case. An experimental scheme is suggested which may provide a new design for a cardiac defibrillator.
Keywords:  cardiac model      control      spiral wave      defibrillator  
Received:  31 December 2002      Revised:  16 January 2003      Accepted manuscript online: 
PACS:  87.19.Hh (Cardiac dynamics)  
  87.19.R- (Mechanical and electrical properties of tissues and organs)  
Fund: Project supported by the National Natural Science Foundation of China (Grant No 60025516).

Cite this article: 

Wang Peng-Ye (王鹏业), Xie Ping (谢平), Yin Hua-Wei (尹华伟) Control of spiral waves and turbulent states in a cardiac model by travelling-wave perturbations 2003 Chinese Physics 12 674

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