Patient and system delays in the treatment of acute coronary syndrome Marta Viana; Olga Laszczy¿ska; Carla Araújo; Andreia Borges; Vítor Barros; Ana Isabel Ribeiro; Paula Dias; Maria Júlia Maciel; Ilídio Moreira; Nuno Lunet; Ana Azevedo;

Percutaneous versus surgical revascularization of unprotected left main coronary artery: Data from the Portuguese Registry of Acute Coronary Syndromes (ProACS) Ana Rita Pereira; Rita Calé; Alexandra Briosa; João Grade Santos; Daniel Sebaiti; Mariana Martinho; Bárbara Ferreira; Ana Marques; Sofia Alegria; Ana Catarina Gomes; Gonçalo Morgado; Ana Cristina Martins; Hélder Pereira;

Pre-treatment with P2Y12 inhibitors: Old habits die hard Catarina Brízido;