Acute total occlusion of the unprotected left main coronary artery: Patient characteristics and outcomes João Calvão; Marta Braga; Mariana Brandão; Andreia Campinas; André Alexandre; Ana Amador; Catarina Costa; João C. Silva; Marisa Silva; Bruno Brochado; João Freitas; Filipe Macedo;

Coronary artery fistulas: A 12-year single-center experience Sofia Torres; Mariana Vasconcelos; Marta Tavares Silva; Jorge Moreira; João Carlos Silva; Filipe Macedo;

Effectiveness and safety of non-invasive ventilation in the management of cardiogenic shock Luna Carrillo-Aleman; Angel Andres Agamez-Luengas; Miguel Guia; Ana Renedo-Villarroya; Nuria Alonso-Fernández; Laura Lopez-Gomez; Pablo Bayoumy-Delis; Juan M. Sanchez-Nieto; Domingo Pascual-Figal; Andrés Carrillo-Alcaraz;