Modeling Excitable Systems: Reentrant Tachycardia

Details Modeling Excitable Systems: Reentrant Tachycardia Modeling Excitable Systems: Reentrant Tachycardia

2008-07-02

arxiv.org/abs/0807.0451v2

Am. J. Phys. 78, 56-63 (2010)

Physics

Biological Physics

9 pages, twocolumn, revised and published in American Journal of Physics

Scientific paper

Excitable membranes are an important type of nonlinear dynamical system and their study can be used to provide a connection between physical and biological circuits. We discuss two models of excitable membranes important in cardiac and neural tissues. One model is based on the Fitzhugh-Nagumo equations and the other is based on a three-transistor excitable circuit. We construct a circuit that simulates reentrant tachycardia and its treatment by surgical ablation. This project is appropriate for advanced undergraduates as a laboratory capstone project, or as a senior thesis or honors project, and can also be a collaborative project, with one student responsible for the computational predictions and another for the circuit construction and measurements.

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