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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.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.
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
Farlex Partner Medical Dictionary © Farlex 2012
A highly active glycoside, C41H64O13, derived from digitalis and prescribed in the treatment of certain cardiac conditions.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.
digitoxinCardiology A cardiac glycoside used like digoxin, which binds more strongly to proteins, but for a similar pharmacologic effect, requires a 10-fold greater concentration
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.
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.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
digitoxina poisonous glycoside contained in digitalis, an extract from the foxglove; it is a powerful heart stimulant.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005