Use of an angioplasty wire in transseptal puncture: A new application of an old technique Jose Luis Martínez-Sande; Javier García-Seara; Laila González-Melchor; Moises Rodriguez-Mañero; Xesús Alberte Fernández-López; Jose Ramon González-Juanatey;

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;