The top 10 original articles published in the Brazilian Archives of Cardiology and in the Portuguese Journal of Cardiology in 2019 Glaucia Maria Moraes de Oliveira; Ricardo Fontes-Carvalho; Lino Gonçalves; Nuno Cardim; Carlos Eduardo Rochitte;

Optimizing prognosis in atrial fibrillation: A call to action in Portugal Jorge Ferreira; Natália António; Nuno Cortez-Dias; Luciana Ricca Gonçalves; João Sargento-Freitas; Pedro von Hafe; Victor Gil;

Beta-blocker therapy after myocardial infarction or acute coronary syndrome: What we don¿t know José Ilídio Moreira;