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Lipid Profile Test
The lipid profile is a group of tests that are often ordered
together to determinerisk of coronary heart disease. They are tests
that have been shown to be goodindicators of whether someone is
likely to have a heart attack or stroke causedby blockage of blood
vessels or hardening of the arteries (atherosclerosis). Thelipid
profile typically includes: Total cholesterol High density
lipoprotein cholesterol (HDL-C) often called good cholesterol Low
density lipoprotein cholesterol (LDL-C) often called bad
cholesterol TriglyceridesAn extended profile may also include:
Very low density lipoprotein cholesterol (VLDL-C)
Non-HDL-CSometimes the report will include additional calculated
values such as theCholesterol/HDL ratio or a risk score based on
lipid profile results, age, sex, andother risk factors. Talk to
your doctor about what these other reported valuesmay mean for
you.
his test is often done to determine your risk for coronary
artery disease. Highblood cholesterol and triglycerides have been
linked to heart attack and stroke.
Experts recommend that you have a complete cholesterol and
triglyceridesanalysis every 5 years starting at age 20.
The total cholesterol test is usually done as part of a lipid
profile, which alsochecks for LDL, HDL, and triglycerides.
Additional conditions under which the test may be performed:
Arteriosclerosis of the extremities Familial
dysbetalipoproteinemia Familial hypercholesterolemia
Hypothyroidism; primary Hypothyroidism; secondary Type 1 or type 2
diabetes Primary biliary cirrhosis
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Normal Results
Total cholesterol is an important measure of both bad and good
cholesterol. Other lab testsare done to measure specific amounts of
good (HDL) and bad (LDL) cholesterol. A cholesterolbreakdown
including LDL and HDL is preferred.
The total cholesterol values listed below are used to target
therapy:
Desirable: Under 200 milligrams per deciliter (mg/dL) Borderline
high: 200 to 239 mg/dL High risk: 240 mg/dL and higher
Abnormal Results
In general, a total cholesterol value over 200 mg/dL may mean
you have a greater risk for heartdisease. However, LDL levels are a
better predictor of heart disease, and they determine howyour high
cholesterol should be treated.
High total cholesterol levels may be caused by:
Biliary cirrhosis Familial hyperlipidemias High-fat diet
Hypothyroidism Nephrotic syndrome Uncontrolled diabetes
Low cholesterol levels may be caused by:
Hyperthyroidism Liver disease Malabsorption (inadequate
absorption of nutrients from the intestinal tract) Malnutrition
Pernicious anemia Sepsis
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