Plasma fibrinogen (FBN), triglyceride (TG), total cholesterol (T. Chol), LDL Chol, HDL-chol and malondialdehyde (MDA, as an index of lipid peroxidation) levels were estimated in both patients with angina pectoris (AP) and acute mycordial infarction (AMI). Statistically significant large increases in plasma MDA, FBN, TG, LDL-chol levels and a significant decrease in HDL-chol levels were found in both patient groups in comparison with the controls (p>0.05: p