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Roof-dependent atrial flutter with an epicardial component: Role of the septopulmonary bundle.

Fermin GarciaAndrés EnriquezAlonso ArroyoGregory SuppleFrancis E MarchlinskiLuis Saenz
Published in: Journal of cardiovascular electrophysiology (2019)
Catheter ablation of atrial fibrillation may predispose patients to the development of atypical atrial flutters (AFL). We describe two cases of roof dependent AFLs that failed to terminate despite posterior wall isolation. An epicardial breakthrough involving the septopulmonary bundle is proposed. The correlation between the electrophysiological findings and the anatomical substrate is described.
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