A cardioactive steroid glycoside obtained from Digitalis lanata. Largely eliminated by the kidneys.

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di·gox·in dij-'äk-sən, dig- n a poisonous cardiotonic glycoside C41H64O14 obtained from the leaves of a foxglove (Digitalis lanata) and used similarly to digitalis see digitek, LANOXIN

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a drug that increases heart muscle contraction and is used in heart failure. It is rapidly effective and the effects are short-lived. Digoxin is administered by mouth or injection; side-effects are those of digitoxin. Trade name: Lanoxin.

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di·gox·in (dĭ-jokґsin) [USP] a cardiac glycoside obtained from the leaves of Digitalis lanata, containing 3 molecules of digitoxose linked to digoxigenin, and having the same actions and uses as digitalis; administered orally, intramuscularly, or intravenously.

Medical dictionary. 2011.

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  • digoxin — di*gox in, n. (Chem.) a steroid glycoside, one of the cardiotonic chemical substances which is extracted from the foxglove. It is a white, crystalline substance ({C41H64O14}), and is a 3 substituted triglucoside of a steroid, related structurally …   The Collaborative International Dictionary of English

  • digoxin — [dij äks′ən] n. a white, crystalline, purified form of digitalis, C41H64O14, used to improve the heart s pumping action …   English World dictionary

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  • digoxin — n. a cardiac glycoside – a drug extracted from digitalis – that increases the force of heart muscle contraction and decreases heart rate. It is used in the treatment of heart failure and in supraventricular tachycardia (especially to control… …   The new mediacal dictionary

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  • digoxin — noun Etymology: International Scientific Vocabulary dig (from New Latin Digitalis) + toxin Date: circa 1930 a poisonous cardiotonic steroid C41H64O14 obtained from a foxglove (Digitalis lanata) and used especially to treat atrial fibrillation …   New Collegiate Dictionary

  • digoxin — /dij ok sin/, n. Pharm. a cardiac glycoside of purified digitalis, C41H64O14, derived from the plant leaves of Digitalis lanata and widely used in the treatment of congestive heart failure. [1930; DIG(ITALIS) + (T)OXIN] * * * …   Universalium

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