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Triglycerides ( T.G ) Test 

Triglycerides ( T.G ) Test

A triglyceride (TG, triacylglycerol, TAG, or triacylglyceride) is an ester derived from glycerol and three fatty acid& stored in the depots as fat. Triacylglycerol arises from dietary lipids or glucose after the meal. During fasting when glucose is decreased TG hydrolyzed to fatty acid and glycerol . Excess carbohydrate stored as glycogen and triglycerides.

SPECIMEN:

Patients should refrain from eating for 10 to 14 hours before blood is drawn. Samples must be drawn in a soap and glycerol free collection device.

The only accepted anticoagulants are heparin and EDTA.

Blood should be collected by venin puncture, after the patient has been in a seated position for at least 5 minutes. Tourniquet usage should be kept to a minimum and the specimen should be allowed to clot for 30 minutes at room temperature. The best specimen is unhemolysed serum, and should be analyzed on the day of collection.

Specimens are stable for 7 days when stored at 4⁰C; several months at –20⁰C and for years at –70⁰C.

Reference ranges: (increasing with age):

Levelmg/dL	Interpretation
<150	Normal range, low risk
151-199	Slightly above normal
200-499	Some Risk
>500	High risk
>1000	Very high risk

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

Triglycerides ( T.G ) Test

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