cardiac glycoside

(redirected from Cardiacglycoside)
Also found in: Dictionary, Thesaurus, Encyclopedia, Wikipedia.
Related to Cardiacglycoside: digoxin, digitalis

glycoside

 [gli´ko-sīd]
any compound containing a carbohydrate molecule (sugar), particularly any such natural product in plants, convertible, by hydrolytic cleavage, into a sugar and a nonsugar component (aglycone), and named specifically for the sugar contained, such as fructoside (fructose), glucoside (glucose), or pentoside (pentose).
cardiac glycoside any of a group of glycosides occurring in certain plants (Digitalis, etc.), having a characteristic action on the contractile force of the heart muscle.

cardiac glycoside

n.
Any of several glycosides obtained chiefly from plant sources such as the foxglove, used medicinally to increase the force of contraction of heart muscle and to regulate heartbeats.

cardiac glycoside

Pharmacology A drug that blocks the Na+/K+ pump

cardiac glycoside

positive inotrope drug which increases force of cardiac contraction and reduces atrioventricular node conductivity; used to control atrial fibrillation, e.g. digoxin

glycoside

any compound containing a carbohydrate moiety (sugar), particularly any such natural product in plants, convertible, by hydrolytic cleavage, into a sugar and a nonsugar component (aglycone), and named specifically after the sugar contained, as glucoside (glucose), pentoside (pentose), fructoside (fructose), etc.

cardiac glycoside
any one of a group of glycosides occurring in certain plants (e.g. Digitalis) having a characteristic action on the contractile force of the heart muscle. See also cardenolide, bufadienolide.