This is a multicenter retrospective observational study with STEMI (ST Elevation Myocardial Infarction) patients who have been treated in the northern Galician Hospitals. The study tries to verify if the implantation of the PROGALIAM (Galician Assistance Program Acute Myocardial Infarction) has supposed a progress in the quality and expectancy of life of AMI patients in the north area of Galicia.