الفهرس 
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Abstract
Coronary heart disease (CHD) represents a major threat to health in developed countries. CHD is the leading cause of morbidity and mortality in the industrialized world. It is the number one killer in United States of America, one-fourth million people each year die within one hour of the onset of chest pain. CHD causes nearly 500.000 deaths in United States of America per year. This represented one-half of the overall 1 million deaths caused by cardiovascular disease that includes high blood pressure, stroke, rheumatic heart disease and CHD. It is now an emerging health problem in developing countries; the curve of CHD among Egyptians is rising in the last few decades. Despite advances in understanding of the mechanisms of atherogenesis, morbidty and mortality from CHD remains high. Clinical trials have demonstrated the importance of the traditional CHD risk factors such as tobacco use, older age, male sex, hypertension, diabetes mellitus, positive family history and dyslipidemia. However, not all patients with myocardial infarction (MI) are identified by these risk factors. Indeed, half of all acute MI occurs in individuals with normal lipid profile. The novel risk factors of CHD had been emerged as important factors in the development of CHD. So we designed a cross-sectional descriptive study on 85 patients attending Suez Canal University Hospital from Nov.2002-2003; these patients were selected according the previously mentioned inclusion and exclusion criteria. Data were collected in the form of filling questionnaire, general and local examination, blood samples were collected after 12-14 hours of fasting, samples were separated and stored at-20 C till analysis.