Why the study?
How do various physiological and pharmacological interventions affect the temporal dispersion of recovery of excitability in ventricular muscle?
Population
Exposed dog ventricles
Comparison
Various physiological and pharmacological… vs Basic beat / baseline conditions
Design
Preclinical
Authors
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May heighten arrhythmia risk via increased dispersion after common triggers; extends mechanistic insights in models but leaves clinical translation open.
How do various physiological and pharmacological interventions affect the temporal dispersion of recovery of excitability in ventricular muscle?
This preclinical study demonstrates that various arrhythmogenic factors increase the temporal dispersion of recovery of excitability in ventricular muscle, providing a mechanistic basis for vulnerability to arrhythmias.
Han et al. (1964) studied this question.
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