Provides relative values of bidomain conductivities for cardiac tissue simulations to avoid undesired effects like length constant variations.
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These ratios may refine bidomain simulations in animal models; leaves open human validation before broader use.
Electrical conductivities in the bidomain model of cardiac tissue are expressed as functions of four parameters. These expressions allow simulations to be performed using nominal, equal, and reciprocal anisotropy without introducing undesired effects, such as length constant variations. Relative values of the bidomain conductivities are estimated to be: sigma iL = 1, sigma iT = 0.1, sigma eL = 1, and sigma eT = 0.4.
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Bradley J. Roth (1997) studied this question.
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