Impact of catheter ablation for atrial fibrillation in patients with heart failure and left ventricular systolic dysfunction Joana Maria Ribeiro; Pedro A. Sousa; Natália António; Rui Baptista; Luís Elvas; Sérgio Barra; Lino Gonçalves;

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;

Chronic thromboembolic pulmonary hypertension: Initial experience of patients undergoing pulmonary thromboendarterectomy Rui Plácido; Tatiana Guimarães; David Jenkins; Nuno Cortez-Dias; Sara Couto Pereira; Paula Campos; Ana Mineiro; Nuno Lousada; Susana R. Martins; Susana Moreira; Ana Rocha Dias; Catarina Lopes Resende; Rita Vieira; Fausto J. Pinto;