Abstract

A two-dimensional (2D) model of anisotropic cardiac tissue using a rectangular grid of elements and Beeler and Reuter [l] formulation. is used. Dead cell barriers. effects ,on plane wave propagation were studied to determine possible conduction block mechanisms. It is shown that abrupt increases in healthy tissue width can produce easily block, and that dead cell strips corresponding to dead or collagenous tissue placed perpendicular to the wavefront direction can facilitate propagation. by creating tortous pathways [2]. Plane wave travelling in the transverse direction was studied as well and It was shown that a one cell opening is enough for the wave to propagate.

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