Observatory multicenter, prospective, to support the acute phase of acute coronary syndromes with ST segment elevation ST (myocardial infarction).

Inclusion Criteria:

• Any patient with a myocardial infarction less than 48 hours during the November 2010 is eligible and should be considered for inclusion in the study.
• Every patient who agreed to participate in the study

Exclusion Criteria:

• Patients with myocardial infarction after a coronary revascularization, or after cardiac surgery or extra heartbeat.
• Patient denying that his personal data are subject to treatment automated

Patients affected are patients with acute coronary syndrome with ST segment elevation ST (myocardial infarction) in 48 hospitalized in one of the centers (emergency, ambulance, intensive care unit, cardiac catheterization lab).