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Ablation of Atrioventricular Junctional Tachycardias: Atrioventricular Nodal Reentry, Variants, and Focal Junctional Tachycardia
Key Points Mechanism of atrioventricular nodal reentrant tachycardia (AVNRT) is reentry involving fast and slow atrioventricular (AV) nodal pathways. The typical slow–fast form of AVNRT is diagnosed by the presence of a long atrium–His bundle (AH) interval (>180 ms) during…