Acute myocardial infarction on YouTube ¿ is it all fake news? Inês Fialho; Marco Beringuilho; Daniela Madeira; João Baltazar Ferreira; Daniel Faria; Hilaryano Ferreira; David Roque; Miguel B. Santos; Carlos Morais; Victor Gil; João B. Augusto;

Chronic thromboembolic pulmonary hypertension: Initial experience of patients undergoing pulmonary thromboendarterectomy Rui Plácido; Tatiana Guimarães; David Jenkins; Nuno Cortez-Dias; Sara Couto Pereira; Paula Campos; Ana Mineiro; Nuno Lousada; Susana R. Martins; Susana Moreira; Ana Rocha Dias; Catarina Lopes Resende; Rita Vieira; Fausto J. Pinto;

Beware of regression of electrocardiographic abnormalities on detraining ¿ It may not always mean `athlete's heart¿ José Pedro Marques; António Freitas; João Abecasis;