Impact of substrate-based ablation for ventricular tachycardia in patients with frequent appropriate implantable cardioverter-defibrillator therapy and dilated cardiomyopathy: Long-term experience with high-density mapping Mário Oliveira; Pedro Cunha; Bruno Valente; Guilherme Portugal; Ana Lousinha; Mariana Pereira; Manuel Braz; Ana Delgado; Rui C. Ferreira;

Dramatic reduction of ventricular tachycardia burden after dronedarone plus mexiletine treatment in a patient refractory to hybrid ablation Manuel Frutos-López; Alonso Pedrote; Juan Acosta-Martínez; Eduardo Arana-Rueda;

Cardiac resynchronization system implantation guided by three-dimensional electroanatomic mapping Pedro Silva Cunha; Hélder Santos; Mário Martins Oliveira;