3. Atorvastatin causes an anti-ischemic effect, if used for a long time. 2.1. Primary objective To evaluate the effect of atorvastatin, when started between 24 and 96 hours after disease onset, on the parameters of global and regional myocardial deformation in the zone of infarction, as well as morphofunctional properties of arteries, on Day 7 and Weeks 12, 24, 36 and 48 of the treatment; 2.2. Secondary objectives. To evaluate: