The patients included in this survey will be treated according to actual guidelines. Briefly, will be enrolled patients who underwent primary angioplasty within 6 hours after symptoms onset, were introduced antiplatelet and anticoagulation therapy at the correct dose, respectively Acetylsalicylic Acid (ASA) 200 mg and Clopidogrel 300 mg, and enoxaparin 30 mg. In patients without contraindication, it will be administered in the first 24 hours beta-blockers and ACEi in those with ejection fraction (EF) <0.4, previous MI or prior heart failure. Upon admission, if there is no contraindication, simvastatin 40 mg/day will be administered. As a maintenance dose, the investigators will administer ASA 100 mg, clopidogrel 75 mg, enoxaparin 1 mg/kg twice daily, simvastatin 40 mg, propranolol 40 mg or metoprolol 50 mg (beta-blockers available at the hospital) and captopril 25 mg (most used ACEi). Patients will be treated preferably in the Coronary Unit (CU). Researchers may suggest the physician responsible for the patient care to prescribe the above medications, as well as question why the drugs listed in the guidelines are not being used. The reasons and specific contraindications will be recorded.