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;

Pattern Matching Filter and multielectrode mapping catheter ¿ A new approach for complex premature ventricular contraction ablation Pedro A. Sousa; Natália António; Sérgio Barra; Luís Elvas; Lino Gonçalves;

Non¿pharmacological treatment of refractory angina: The coronary sinus reducer, the new kid on the block Sérgio Madeira; Catarina Brízido; Luís Raposo; João Brito; Nélson Vale; Sílvio Leal; Pedro de Araújo Gonçalves; Henrique Mesquita Gabriel; Rui Campante Teles; Manuel Almeida;