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Should fast pathway ablation be reconsidered in typical atrioventricular nodal re‐entrant tachycardia?

Atrioventricular nodal re‐entry tachycardia (AVNRT) is the most common, regular narrow‐complex tachycardia. The established treatment is catheter ablation of the AV nodal slow pathway (SP). However, in a select group of patients with long PR intervals in sinus rhythm, SP ablation can lead to AV block due to the absence of robust anterograde conduction through the fast pathway (FP). This report aims to demonstrate that AV nodal FP ablation is a reasonable approach in patients with AVNRT and poor or absent anterograde FP conduction.