Abstract
A system for 3D simulation of heart electrical activity at different structural levels based on fundamental knowledge on the spatiotemporal organization of extracellular electric fields in the myocardium is being developed at the Institute of Theoretical and Experimental Biophysics of the Russian Academy of Sciences. The system is based on a biophysical model of the genesis of electrocardiosignals (ECSs) in the form of a double electric layer on the surface of the electrically active myocardium, which was proposed earlier and then modified. The system combines a model of the activation and repolarization of the heart ventricles, an advanced model for determining the parameters of the heart electric field, which makes it possible to obtain model ECSs both by direct calculation of the potentials and calculation of ECSs from preliminarily determined components of a multipole equivalent heart generator, a database of model parameters and their combinations in the form of cards of simulated “patients,” and a database of simulated ECSs. This paper (the first in a series of three on the subject) briefly describes simulation methods used in electrocardiology and the biophysical model of heart electrical activity that forms the basis of the system for computer simulation of direct and inverse problems concerning the heart electric field. Electrophysiological, anatomical, and biophysical characteristics of the heart are the parameters of the model.
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Original Russian Text © O.V. Baum, V.I. Voloshin, L.A. Popov, 2006, published in Biofizika, 2006, Vol. 51, No. 6, pp. 1069–1086.
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Baum, O.V., Voloshin, V.I. & Popov, L.A. Biophysical models of cardiac electrical activity. BIOPHYSICS 51, 940–954 (2006). https://doi.org/10.1134/S0006350906060133
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DOI: https://doi.org/10.1134/S0006350906060133