Long-term outcomes after radiofrequency catheter ablation of the atrioventricular node: The experience of a Portuguese tertiary center Ana Mosalina Manuel; João Almeida; Paulo Fonseca; Joel Monteiro; Cláudio Guerreiro; Ana Raquel Barbosa; Pedro Teixeira; José Ribeiro; Elisabeth Santos; Filipa Rosas; José Ribeiro; Adelaide Dias; Daniel Caeiro; Olga Sousa; Madalena Teixeira; Marco Oliveira; Helena Gonçalves; João Primo; Pedro Braga;

Ablation of ventricular arrhythmic substrate: When the whole is more than the sum of its parts João Primo;

Cardiac arrhythmias in patients presenting with COVID-19 treated in Portuguese hospitals: A national registry from the Portuguese Association of Arrhythmology, Pacing and Electrophysiology Dinis Mesquita; Pedro Carmo; Nuno Cabanelas; Nuno Santos; Vítor Martins; Victor Sanfins; Helena Cristina Costa; José Paulo Fontes; Paulo Fonseca; Leonor Parreira;