Background: Comparison of risk factors and clinical presentation  between men and women with acute coronary syndrome at Sohag University Hospitals. presence of relation between sex of the patient and clinical presentation is still controversial 
Objective: The objective of this study is to determineof risk factors and clinical presentation  between men and women with acute coronary syndrome at Sohag University Hospitals
patients& Methods :All the patients  underwent the following :
(1)  Detailed history was taken including:
Age,sex, residence, smoking, duration of diabetes and type of treatment used,HTN or other current illness(2)Examination:Full clinical examination(3) Laboratory investigations: Fasting blood glucose level, lipid profile ,cardiac enzymes,  complete blood counting(4)  Electrocardiograph
Results:male patients with acute coronary syndrome mainly had risk factors as smoking as (44%) followed by HTN (42%) then DM (37%) , while female patients mainly had risk factors of HTN and DM as (65%) followed by dyslipidemia (39%), old age and obesity are more frequent in females than males. Clinical presentation of typical chest pain is higher in males (87%) than in females(73%).
Conclusion:women with acute coronary syndrome had higher rates of traditional risk factors like old age, obesity, hypertension, diabetes while smoking and positive family history are higher in men . typical chest pain is more common in men