Cholesterol is a waxy substance that is similar to fat. There are different types of cholesterol including:

  • High-density lipoprotein (HDL) cholesterol
  • Low-density lipoprotein (LDL) cholesterol

Cholesterol tests measure the levels of cholesterol in the blood. They can measure the amount of HDL cholesterol, LDL cholesterol, and your total cholesterol levels. Your doctor may use a test called the lipid profile test. This test measures the cholesterol levels plus triglycerides. Triglycerides are a type of fat or lipid in the blood.

This test is done to measure the levels of cholesterol in the blood. Abnormal levels of cholesterol are linked to an increased risk of plaque formation in blood vessels. This plaque formation can lead to heart attacks or strokes. Your doctor will use these results to estimate your risk of heart disease. For example:

  • High LDL levels increase the risk of heart disease.
  • Low HDL levels increase the risk of heart disease.

Plaque Formation in Blood Vessel—Side Effect of High LDL Cholesterol
Plaque
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