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;

Quality of life among adults with repaired tetralogy of fallot: A literature review Carolina Rodrigues; Manuela Silva; Rui Cerejo; Rui Rodrigues; Lídia Sousa; Conceição Trigo; Luísa Branco; Ana Agapito; José Fragata;

Facemasks during aerobic exercise: Implications for cardiac rehabilitation programs during the Covid-19 pandemic Tiago Pimenta; Helena Tavares; João Ramos; Mafalda Oliveira; David Reis; Hugo Amorim; Afonso Rocha;