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Blood Cholesterol Test

Blood Cholesterol Test

cholesterol is the principle body sterol; alcohol complex of 4 rings and one side chain. It present in all cell membrane and precursor of  steroid hormones; vitamin D and bile acid and salts. 70% of plasma cholesterol is present as cholesterol ester form.

Cholesterol ingested when we eat meat; dairy product; or egg and synthesized from acetyl-coA in the liver. Cholesterol is oxidized in the liver to bile acids (cholic acid; and chenodeoxycholic acid) & conjugate to glycine or taurine  before the secretion into bile to be emulsifying  agents for fat digestions.

The dietary intake of cholesterol must not exceed 300 mg/day; if increase the liver serve as regulator of the metabolism. Elevated of  cholesterol level is one of the risk factors of coronary artery disease.

Clinical significances:

They are tests that have been shown to be good indicators of whether someone is likely to have a heart attack or stroke caused by blockage of blood vessels or hardening of the arteries .

Sample :

These levels are tested after fasting 8 to 12 hours. Triglyceride levels remain temporarily higher for a period of time after eating.

Normal Range :

Total Cholesterol :
Desirable:              Less than 200 mg/dL .
Borderline high:     200-239 mg/dL .
High:                      240 mg/dL or higher .

Blood Cholesterol Test

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