digitoxin

digitoxin

 [dij″ĭ-tok´sin]

a cardiotonic glycoside obtained from Digitalis purpurea and other species of the same genus; used in the treatment of congestive heart failure. It has a slowly developing action and slow elimination. Parenteral solutions should be diluted when given intravenously.

dig·i·tox·in

(dij'i-tok'sin),

A cardioactive glycoside obtained from the leaves of Digitalis purpurea; it is more completely absorbed from the gastrointestinal tract than is digitalis. Largely eliminated by hepatic metabolism.

Synonym(s): crystalline digitalin

digitoxin

(dĭj′ĭ-tŏk′sĭn)

n.

A highly active glycoside, C₄₁H₆₄O₁₃, derived from digitalis and prescribed in the treatment of certain cardiac conditions.

digitoxin

Cardiology A cardiac glycoside used like digoxin, which binds more strongly to proteins, but for a similar pharmacologic effect, requires a 10-fold greater concentration

dig·i·tox·in

(dij'i-tok'sin)

A cardioactive glycoside obtained from the leaves of Digitalis purpurea; it is more completely absorbed from the gastrointestinal tract than is digitalis. Also called crystalline digitalin.

digitoxin

a poisonous glycoside contained in digitalis, an extract from the foxglove; it is a powerful heart stimulant.