Why the study?
Are there differences in ventriculoatrial conduction characteristics between patients with enhanced versus normal atrioventricular nodal conduction?
Are there differences in ventriculoatrial conduction characteristics between patients with enhanced versus normal atrioventricular nodal conduction?
Patients with enhanced antegrade atrioventricular conduction also maintain retrograde ventriculoatrial conduction at shorter cycle lengths compared to those with normal conduction, indicating quantitative differences in conduction properties.
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Shorter retrograde cycle lengths may reflect bidirectional nodal enhancement; leaves open arrhythmia risk implications pending prospective validation.
Dougherty et al. (1987) studied this question.
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