Triglycerides

Keywords: TG, Trigs

Specimen:

5 mL of blood in EDTA or plain tube. Specimen must be collected after 14 h fasting.

Method:

Spectrophotometry.

Reference Interval:

< 1.7 mmol/L (fasting).

Application:

Assessment of lipid status, especially in patients at high risk of developing Hyperlipidaemia eg, Diabetes mellitus, Hypothyroidism.

Used in the calculation of LDL cholesterol by the Friedewald formula.

Interpretation:

Increased levels seen in primary hypertriglyceridaemic states, and secondary to Nephrotic syndrome, Hypothyroidism, Pancreatitis, Diabetes mellitus, Alcoholism, oral contraceptive use or corticosteroid medication.

Now generally accepted as an independent risk factor for coronary artery disease.

Reference:

Linton MF and Fazio S. Am J Cardiol. 2003; 92(1A): 19i-26i.