A cellular automaton model for the ventricular myocardium considering the layer structure

doi:10.1088/1674-1056/24/9/090503

中国物理B ›› 2015, Vol. 24 ›› Issue (9): 90503-090503.doi: 10.1088/1674-1056/24/9/090503

A cellular automaton model for the ventricular myocardium considering the layer structure

邓敏艺, 戴静娱, 张学良

College of Physical Science and Technology, Guangxi Normal University, Guilin 541004, China

收稿日期:2015-02-03 修回日期:2015-03-24 出版日期:2015-09-05 发布日期:2015-09-05
基金资助:
Project supported by the National Natural Science Foundation of China (Grant Nos. 11365003 and 11165004).

A cellular automaton model for the ventricular myocardium considering the layer structure

Deng Min-Yi (邓敏艺), Dai Jing-Yu (戴静娱), Zhang Xue-Liang (张学良)

College of Physical Science and Technology, Guangxi Normal University, Guilin 541004, China

Received:2015-02-03 Revised:2015-03-24 Online:2015-09-05 Published:2015-09-05
Contact: Deng Min-Yi E-mail:dengminyi@mailbox.gxnu.edu.cn
Supported by:
Project supported by the National Natural Science Foundation of China (Grant Nos. 11365003 and 11165004).

摘要/Abstract

摘要： A cellular automaton model for the ventricular myocardium considering the layer structure has been established. The three types of cells in this model differ principally in the repolarization characteristics. For the normal travelling waves in this model, the computer simulation results show the R, S, and T waves and they are qualitatively in agreement with the standard electrocardiograph. Phenomena such as the potential decline of point J and segment ST and the rise of the potential line after the T wave appear when the ischemia occurs in the endocardium. The spiral wave has also been simulated, and the corresponding potential has a lower amplitude, higher frequency, and wider R wave, which accords with the distinguishing feature of the clinical electrocardiograph. Mechanisms underlying the above phenomena are analyzed briefly.

关键词: cellular automaton, electrocardiograph, ischemia, spiral wave

Abstract: A cellular automaton model for the ventricular myocardium considering the layer structure has been established. The three types of cells in this model differ principally in the repolarization characteristics. For the normal travelling waves in this model, the computer simulation results show the R, S, and T waves and they are qualitatively in agreement with the standard electrocardiograph. Phenomena such as the potential decline of point J and segment ST and the rise of the potential line after the T wave appear when the ischemia occurs in the endocardium. The spiral wave has also been simulated, and the corresponding potential has a lower amplitude, higher frequency, and wider R wave, which accords with the distinguishing feature of the clinical electrocardiograph. Mechanisms underlying the above phenomena are analyzed briefly.

Key words: cellular automaton, electrocardiograph, ischemia, spiral wave

中图分类号: (Nonlinear dynamics and chaos)

05.45.-a

87.18.Hf (Spatiotemporal pattern formation in cellular populations)

邓敏艺, 戴静娱, 张学良. A cellular automaton model for the ventricular myocardium considering the layer structure[J]. 中国物理B, 2015, 24(9): 90503-090503.

Deng Min-Yi (邓敏艺), Dai Jing-Yu (戴静娱), Zhang Xue-Liang (张学良). A cellular automaton model for the ventricular myocardium considering the layer structure[J]. Chin. Phys. B, 2015, 24(9): 90503-090503.

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A cellular automaton model for the ventricular myocardium considering the layer structure

A cellular automaton model for the ventricular myocardium considering the layer structure

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