Why the study?
What are the determinants of atrioventricular nodal re-entrance with premature atrial stimulation in patients with dual A-V nodal pathways?
Population
38 patients with dual atrioventricular (A-V) nodal pathways
Design
Cross-sectional
Authors
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Shorter retrograde block and Wenckebach cycle lengths may flag re-entry susceptibility in dual AV nodal pathways; leaves open whether these measures predict clinical AVNRT or guide therapy.
What are the determinants of atrioventricular nodal re-entrance with premature atrial stimulation in patients with dual A-V nodal pathways?
In patients with dual A-V nodal pathways, the occurrence of single or repetitive re-entry during atrial extrastimulus testing is dependent upon measurable slow and fast pathway refractoriness.
Denes et al. (1977) studied this question.
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