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;

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;

National Registry of Cardiac Electrophysiology 2015/2016: Better late than never? Leonor Parreira;