Key result
A computational model showed that regional differences in cardiac electrophysiology amplified re-entrant wave breakdown, potentially mediating the transition to ventricular fibrillation.
Population
Computational model of action potential conduction in the ventricular wall
Comparison
Introduction of regional differences in action… vs Anisotropic model with uniform APD and isotropic…
Design
Preclinical
Authors
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Hypothesis-generating for VF mechanisms; leaves open clinical relevance pending human validation.
Regional differences in cardiac electrophysiology, combined with anisotropic conduction, can destabilize re-entry and may mediate the transition from ventricular tachycardia to ventricular fibrillation.
Clayton et al. (2002) studied Ventricular arrhythmias. Computational model of regional differences in action potential duration vs. Uniform action potential duration model was evaluated on Twisting and breakdown of transmural re-entrant waves. A computational model showed that regional differences in cardiac electrophysiology amplified re-entrant wave breakdown, potentially mediating the transition to ventricular fibrillation.
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