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Medical Definition of Hyperglyceridemia
1. Elevated plasma concentration of glycerides, which usually are present within chylomicrons; normal if transiently present after absorption of a meal containing lipids, abnormal if a persistent state. Endogenous hyperglyceridemia, type IV familial hyperlipoproteinaemia or, more commonly, a nonfamilial sporadic variety. Exogenous hyperglyceridemia, persistent hyperglyceridemia due to retarded rate of removal from plasma of chylomicrons of dietary origin; occurs in alcoholism, hypothyroidism, insulinopenic diabetes mellitus, types I and V hyperlipoproteinaemia, and during acute pancreatitis. (05 Mar 2000)