Modeling excitable media by a one variable cellular automaton: Application to the cardiac case

Year: 1994

Authors: Giaquinta A., Boccaletti S., Tellini L., Arecchi F.T.

Autors Affiliation: Istituto Nazionale di Ottica, Largo E. Fermi 6, I50125 Florence, Italy;
University of Florence, Dept Phys, Florence, Italy;
S Donato Hosp, Dept Cardiol, Arezzo, Italy

Abstract: The dynamics of an assembly of cardiac cells is modeled by a simple cellular automaton that reduces to a single variable the two variable competition of the standard models of excitable media. Furthermore, a short superexcitability period is introduced, as suggested by the dynamics of the single cardiac miocyte. The model reproduces several pathological cardiac behaviors as, e.g., the fast transition from normal behavior to fibrillation, showing how this latter one can either occur over the whole spatial domain or can be confined within a limited region.

Journal/Review: CHAOS

Volume: 4 (3)      Pages from: 557  to: 561

KeyWords: cellular automata; heart; chemical reaction kinetics
DOI: 10.1063/1.166033

Citations: 5
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