A new electrophysiologic triad for identification and localization of the critical isthmus in atrial flutter Pedro Adragão; Daniel Matos; Francisco Moscoso Costa; Pedro Carmo; Diogo Cavaco; Gustavo Rodrigues; João Carmo; Francisco Morgado; Miguel Mendes;

Epicardial ablation of ventricular tachycardia using a new high-density mapping system Diogo Cavaco; Pedro Carmo; João Mesquita; Maurício Scanavacca; Pedro Adragão;

Innovative transapical-transfemoral loop approach: First case of CoreValve implantation in a 19-mm Mitroflow during double valve-in-valve procedure Rui Campante Teles; Daniel Nascimento Matos; Miguel Abecasis; João Mesquita; Regina Ribeiras; José Pedro Neves; Manuel Almeida; Miguel Mendes;