Highlights a rare electrophysiological phenomenon where nonreentrant SVT and AVNRT coexist due to three distinct AV nodal pathways.
Alerts to triple AV nodal pathways in refractory SVT; hypothesis-generating for prevalence and ablation strategies.
Persistent simultaneous conduction of P waves over a fast and a slow nodal pathway defines the nonreentrant type of supraventricular tachycardia, usually not associated with reciprocating movements. We report a unique association between this uncommon tachycardia and a usual AV nodal reentrant tachycardia, made possible by the existence of three different nodal pathways.
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Maury et al. (1999) studied this question.