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

Abdominal pain of cardiovascular origin Pedro Epifânio, Maria Emanuel Amaral, Natália Noronha, Paula Martins, Dina Rodrigues, António Pires, Eduardo Castela

Acute coronary syndrome of paradoxical origin Ana Rita Ferreira, António Freitas, Pedro Magno, Ana Oliveira Soares, Pedro Farto e Abreu, José Pedro Neves, Victor M. Gil