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Showing posts from August 11, 2013

Cholesterol HDL and LDL

  Synonyms :  alpha1 -Lipoprotein cholesterol ,high density cholesterol , HDLC , B- Lipoprotein cholesterol , low- density cholesterol , LDLC .  Specimen : Serum (2 ml )    Reference value : HDL 40 - 65 mg/dL                               LDL  80 - 185 mg/dL    Method : Spectrophotometer  Description  High - density lipoprotein  cholesterol (HDLC) and Low- density lipoprotein cholesterol (LDLC) are the major transport proteins for cholesterol in the body . It is believed that HDLC may have protective properties in that its role includes transporting  cholesterol from the arteries to the liver . LDLC is the major transport protein for cholesterol to the arteries from the liver .  LDLC can be calculated using to total cholesterol , total triglycerides , and HDLC levels.  HDLC levels less than 40 mg/ dL in men and women represnte a coronary risk factor . There is an inverse relationship between HDLC and risk of coronary artery disease (CAD ) ( i.e l