Efficacy of High Dose atorvaSTATIN Loading Before Primary Percutaneous Coronary Intervention in ST Elevation Myocardial Infarction (STATIN STEMI)

Inclusion Criteria: 1. The patient must be at least 18 years and 80 years of age. 2. The patient had the symptoms of acute myocardial infarction within 12 hours with ST segment elevation of more than 1 mm in at least two contiguous leads of EKG or new onset LBBB. 3. The patient or guardian agrees to the study protocol and provides informed, written consent. Exclusion Criteria: 1. Patients to whom PCI can not be undergone within 12 hours from receiving the study drug 2. Cardiogenic shock or symptomatic hypotension or sitting SBP \< 95 mmHg 3. The history of major surgery, trauma, retinal hemorrhage, significant gastrointestinal or genitourinary bleeding within recent 6 weeks; history of cerebrovascular attack within two years, or cerebrovascular attack with a significant residual neurological deficit 4. History of cerebrovascular attack within two years, or cerebrovascular attack with a significant residual neurological deficit 5. Severe or malignant hypertension (= sitting SBP \> 180 mmHg and/or sitting DBP \> 105 mmHg) 6. The history or diagnosis of vasculitis; renal insufficiency (the level of serum creatinine is two times higher than the upper limit of normal of each center) 7. The patients who might die of other disease than cardiac disease during the trial.