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

doi:10.1088/1009-1963/12/6/319

中国物理B ›› 2003, Vol. 12 ›› Issue (6): 674-679.doi: 10.1088/1009-1963/12/6/319

• 8000 CROSSDISCIPLINARY PHYSICS AND RELATED AREAS OF SCIENCE AND TECHNOLOGY • 上一篇

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

王鹏业, 谢平, 尹华伟

Laboratory of Soft Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100080, China

收稿日期:2002-12-31 修回日期:2003-01-16 出版日期:2005-03-16 发布日期:2005-03-16
基金资助:
Project supported by the National Natural Science Foundation of China (Grant No 60025516).

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

Received:2002-12-31 Revised:2003-01-16 Online:2005-03-16 Published:2005-03-16
Supported by:
Project supported by the National Natural Science Foundation of China (Grant No 60025516).

摘要/Abstract

摘要： 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.

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.

Key words: cardiac model, control, spiral wave, defibrillator

中图分类号: (Cardiac dynamics)

87.19.Hh

87.19.R- (Mechanical and electrical properties of tissues and organs)

王鹏业, 谢平, 尹华伟. Control of spiral waves and turbulent states in a cardiac model by travelling-wave perturbations[J]. 中国物理B, 2003, 12(6): 674-679.

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[J]. Chinese Physics, 2003, 12(6): 674-679.

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

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

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