The dynamics of sustained reentry in a ring model of cardiac tissue

  title={The dynamics of sustained reentry in a ring model of cardiac tissue},
  author={Dr. A. Vinet and F. A. Roberge},
  journal={Annals of Biomedical Engineering},
This paper describes the dynamics of circus movement around a fixed obstacle, using a one-dimensional continuous and uniform ring model of cardiac tissue to simulate sustained reentry. The membrane ionic current is simulated by a modified Beeler-Reuter formulation in which the kinetics of the fast sodium current were updated using more recent voltageclamp data. Changes in the ring length are used to modify the dynamics of reentry. Reentry is stable if the ring length (X) exceeds a critical… CONTINUE READING


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