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Ablation of Cavotricuspid Isthmus–Dependent Atrial Flutters
Key Points The mechanism of most cavotricuspid isthmus (CTI)-dependent atrial flutter (AFL) is macroreentry around the tricuspid valve annulus (TVA). The diagnosis of CTI-dependent atrial flutter is made by demonstration of macroreentry around the TVA during entrainment at two or…