Key result
An electrophysiologic study confirmed a rare nodofascicular tachycardia as the cause of a narrow complex tachycardia with VA dissociation, which was then successfully ablated.
Why the study?
The differential diagnosis of narrow complex tachycardia with AV or VA dissociation is complex and includes rare arrhythmias requiring clarification.
Case Report (n=1)
Reveals electrophysiologic mechanisms and successful ablation of nodofascicular tachycardia presenting with ventriculoatrial dissociation, highlighting diagnostic electrocardiographic clues.
Answers
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Chin et al. (2026) conducted a case report in Narrow complex tachycardia with ventriculoatrial (VA) dissociation (n=1). Electrophysiologic study and ablation was evaluated. An electrophysiologic study confirmed a rare nodofascicular tachycardia as the cause of a narrow complex tachycardia with VA dissociation, which was then successfully ablated.
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