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You are here : 3-RX.com > Medical Encyclopedia > Tests and Exams > Triglyceride Level
      Category : Health Centers > Cholesterol

Triglyceride Level

Alternate Names : Serum Triglycerides

Overview & Description | Preparation & Expectations | Results and Values

A triglyceride level is a blood test that measures a type of fat in the blood. Triglycerides are different from cholesterol, which is often measured at the same time.

Who is a candidate for the test?

A triglyceride level may be ordered to see how well the body processes fats. It is usually ordered as part of a lipid profile to help evaluate risk factors for coronary heart disease, or CHD. Triglyceride levels are an independent risk factor for coronary heart disease. This means that a person's risk for CHD is increased whenever triglyceride levels are high.

How is the test performed?

To perform a triglyceride level, a blood sample is needed. Blood is usually taken from a vein on the forearm or hand. First, the skin over the vein is cleaned with an antiseptic. Next, a strong rubber tube, or tourniquet, is wrapped around the upper arm. This enlarges the veins in the lower arm by restricting blood flow. A fine needle is gently inserted into a vein, and the tourniquet is removed. Blood flows through the needle and is collected in a syringe or vial. After the needle is withdrawn, the puncture site is covered for a short time to prevent bleeding. The blood is then sent to the lab for testing.


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Triglyceride Level: Preparation & Expectations

Author: David T. Moran, MD
Reviewer: Eileen McLaughlin, RN, BSN
Date Reviewed: 07/16/01

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