Worldwide, the epidemiology of patients with STEMI continues to change. According to the Global Registry of Acute Coronary Events (GRACE), STEMI represented about 36% of ACS cases [3]. There is no definitive data about the percentage of STEMI patients among those presenting to Emergency departments with Acute coronary syndromes (ACS) in Egyptian Hospitals.
Natural History of atherosclerosis and the development of atherosclerotic plaqueAtherosclerosis is a lipoproteinmediated chronic inflammatory disease of arteries that leads to the accumulation of fibrotic, necrotic, and calcified tissue in the arterial intima, described as atherosclerotic lesions or plaques [4]. These plaques cause clinical disease by luminal narrowing or sudden precipitation of arterial thrombi that obstruct