Etiology of sudden cardiac arrest: Literature review and proposal for an intensive care unit study protocol João Cravo; Daniel Inácio Cazeiro; Oana Moldovan; Nuno Cortez-Dias; Doroteia Silva;

Sudden cardiac death in athletes: A 20-year analysis in Portugal Carolina Miguel Gonçalves; Adriana Vazão; Mariana Carvalho; Margarida Cabral; André Martins; Hélia Martins; Fátima Saraiva; João Morais; Hélder Dores;

Long-term prognosis of idiopathic ventricular fibrillation: An eighteen-year experience from a tertiary center Cátia Oliveira; Ana Pinho; Luís Santos; Ricardo Alves Pinto; Sílvia Oliveira; Helena Moreira; Miguel Rocha; Pedro Palma; Gonçalo Pestana; Marta Madeira; Ana Lebreiro; Luís Adão;