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;

Portuguese National Registry on Cardiac Electrophysiology, 2017 and 2018 Nuno Cortez-Dias; Pedro Silva Cunha; Francisco Moscoso Costa; Daniel Bonhorst; Mário M. Oliveira;

Brugada syndrome: Eligibility for subcutaneous implantable cardioverter-defibrillator after exercise stress test Pedro von Hafe; Bebiana Faria; Geraldo Dias; Filipa Cardoso; Maria José Alves; Assunção Alves; Bernardete Rodrigues; Sílvia Ribeiro; Víctor Sanfins; António Lourenço;