TOPICS: Necrosis of myocardium, atherosclerotic plaque rupture, cocaine use, vasculitis, coronary artery dissection, prolonged vasospasm, prinzmetal angina, thrombotic syndromes, antithrombin III deficiency, STEMI, complete occlusion, transmural infarction, ST segment elevation, cardiac enzymes, troponin, NSTEMI, partial occlusion, subendocardial infarction, ST segment depression, <4 hours, transient mitral regurgitation, arrhythmia, <1 day, dark tissue, coagulative necrosis, <1 week, yellow pallor, inflammation, neutrophils, macrophages, peri-infarction pericarditis, permanent mitral regurgitation, interventricular rupture, VSD, ventricular free wall rupture, tamponade, pseudoaneurysm, >1 week, hyperemic border, healing, granulation tissue, >1 month, white scar, fibrosis, aneurysm, mural thrombus, dressler syndrome, left ventricular failure, pulmonary edema, morphine, oxygen, nitroglycerin, aspirin, beta blockers, ACE inhibitor, statin, heparin, ticagrelor, reperfusion therapy, percutaneous coronary intervention, fibrinolysis