Mapping and ablation of atypical flutter in congenital heart disease with a novel three-dimensional mapping system (Carto Merge).

Mapping and successful ablation of an intra-atrial re-entry tachycardia in a patient after Fontan operation were performed within the anatomy, superimposed from the computed tomography study. In this case, the new system enabled us to display the complex anatomy of the right atrium in detail, whereas the conventional electro-anatomic three-dimensional… (More)