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Hyperlipidemia

HYPERLIPIDEMIA

The term "hyperlipidemia" describes an extreme elevation in any of several lipid (fatty) substances in the bloodstream, as in conditions such as hypercholesterolemia and hypertriglyceridemia. Most of these disorders cause an increased risk for atherosclerosis, which is a buildup of plaque within the arterial wall that can lead to heart attacks, strokes, and gangrene. An elevated high-density (healthy) cholesterol, however, is a hyperlipidemia that protects from plaque buildup. To be called a hyperlipidemia, the value of the lipid elevation generally has to be greater than 95 percent above the average level for a person of the same age and gender in the population. Most hyperlipidemias are acquired through genes transmitted from one or both parents, although some persons may acquire a hyperlipidemia through dietary means.

Donald A. Smith

(see also: Atherosclerosis; Blood Lipids; Cholesterol Test; Fats; HDL Cholesterol; LDL Cholesterol; Lipoproteins; Triglycerides; VLDL Cholesterol )

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hyperlipidaemia

hyperlipidaemia (hyperlipoproteinaemia) A variety of conditions in which there are increased concentrations of lipids in plasma: phospholipids, triacylglycerols, free and esterified cholesterol, or unesterified fatty acids. Familial hyperlipidaemias are due to genetic diseases; less severe hyperlipidaemia is commonly seen in people in affluent developed countries, associated with increased risk of atherosclerosis and ischaemic heart disease. See also lipids, plasma; hypercholesterolaemia.

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"hyperlipidaemia." A Dictionary of Food and Nutrition. . Encyclopedia.com. 14 Dec. 2017 <http://www.encyclopedia.com>.

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"hyperlipidaemia." A Dictionary of Food and Nutrition. . Retrieved December 14, 2017 from Encyclopedia.com: http://www.encyclopedia.com/education/dictionaries-thesauruses-pictures-and-press-releases/hyperlipidaemia

hyperlipidaemia

hyperlipidaemia (hyperlipaemia) (hy-per-lip-id-ee-miă) n. the presence in the blood of an abnormally high concentration of cholesterol and/or triglycerides in the form of lipoproteins, which is associated with an increased risk of atherosclerosis and coronary heart disease.

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"hyperlipidaemia." A Dictionary of Nursing. . Encyclopedia.com. 14 Dec. 2017 <http://www.encyclopedia.com>.

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"hyperlipidaemia." A Dictionary of Nursing. . Retrieved December 14, 2017 from Encyclopedia.com: http://www.encyclopedia.com/caregiving/dictionaries-thesauruses-pictures-and-press-releases/hyperlipidaemia