Abstract Background: Acute myocardial infarction (AMI) is the main cause of death in Brazil and the world. Approximately half of these deaths occur outside the hospital. Objectives: To analyze the distribution, temporal evolution, and sociodemographic characteristics (SDC) of in- and out-of-hospital deaths by AMI in Brazilian state capitals and their relationship with municipal development indicators (MDI). Methods: This is an ecological study of the number of deaths due to AMI reported annually by the 27 Brazilian state capitals from 2007 […]