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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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n.
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.