Alternative Names Very low density lipoprotein test Normal Values Normal VLDL cholesterol level is between 5 and 40 mg/dL. Note: Normal value ranges may vary slightly among different laboratories. Talk to your doctor about the meaning of your specific test results. What abnormal results mean High levels may be associated with a higher risk for heart disease and stroke.
Introduction Lipids are the building blocks of the fats and fatty substances found in animals and plants. They are microscopic layered spheres of oil, which, in animals, are composed mainly of cholesterol, triglycerides, proteins (called lipoproteins), and phospholipids (molecules made up of phosphoric acid, fatty acids, and nitrogen). Lipids do not dissolve in water and are stored in the body to serve as sources of energy. Cholesterol Cholesterol is present in all animal cells and in animal-based foods (not in plants). In spite of its bad press, cholesterol is an essential nutrient necessary for many functions, including: Repairing cell membranes Manufacturing vitamin D in the skin Producing hormones, such as estrogen and testosterone Possibly helping cell connections in the brain that are important for learning and memory Regardless of these benefits, when cholesterol levels rise in the blood, they can have dangerous consequences, depending on the type of cholesterol. Although the body acqu...
Alternative Names Triacylglycerol test Normal Values Normal : Less than 150 mg/dL Borderline High : 150 - 199 mg/dL High : 200 - 499 mg/dL Very High : 500 mg/dL or above What abnormal results mean High triglyceride levels may be due to: Cirrhosis Diet low in protein and high in carbohydrates Familial hyperlipoproteinemia (rare) Hypothyroidism Nephrotic syndrome Pancreatitis Poorly controlled diabetes Low triglyceride levels may be due to: Low fat diet Hyperthyroidism Malabsorption syndrome Malnutrition Additional conditions under which the test may be performed: Chylomicronemia syndrome Hyperlipidemia; acquired Familial combined hyperlipidemia Familial dysbetalipoproteinemia Familial hypertriglyceridemia Familial lipoprotein lipase deficiency Noninsulin-dependent diabetes (NIDD) Stroke secondary to atherosclerosis
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