Infective endocarditis: Epidemiology and prognosis Pedro Apolinário; Isabel Campos; Cátia Oliveira; Carina Silva; Carina Arantes; Juliana Martins; Alberto Salgado; Nuno Salomé; Carla Rodrigues; Paulo Medeiros; João Bizarro Pinho; Jorge Marques; Catarina Vieira;

Congenital heart defects and preterm birth: Outcomes from a referral center Andreia Palma; Sofia Morais; Patrícia V. Silva; António Pires;

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