Key result
Computational modeling shows atrial geometry dominates excitation spread during stable heart rhythms.
Why the study?
The study aimed to understand atrial excitation spread assuming uniform propagation velocity without atrial bundles to assess the role of atrial geometry.
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Supports geometry-based atrial models in stable rhythms; leaves open validation in arrhythmias or diseased tissue.
Dam et al. (2003) studied Atrial flutter (n=1). Computational modeling of atrial excitation was evaluated on Identification of vulnerable pathways for atrial flutter. Computational modeling demonstrated that during stable heart rhythms, propagation of the atrial excitation wave is well approximated by uniform velocity, with overall atrial geometry dominating the spread of excitation.
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