| Dictionary, Encyclopedia and Thesaurus - The Free Dictionary 1,738,637,931 visitors served. |
|
Dictionary/ thesaurus | Medical dictionary | Legal dictionary | Financial dictionary | Acronyms | Idioms | Encyclopedia | Wikipedia encyclopedia | ? |
digitalis |
Also found in: Dictionary/thesaurus, Encyclopedia, Wikipedia, Hutchinson | 0.02 sec. |
|
Digitalis /Dig·i·tal·is/ (dij″ĭ-tal´is) a genus of herbs. D. lana´ta yields digoxin and lanatoside, and the leaves of D. purpu´rea, the purple foxglove, furnish digitalis. digitalis /dig·i·tal·is/ (dij″ĭ-tal´is) 1. the dried leaf of Digitalis purpurea; used as a cardiotonic agent. 2. the digitalis glycosides or cardiac glycosides, collectively.
Digitalis A naturally occuring compound used in the preparation of the medication, digoxin, prescribed to increase the heart rate and strengthen the force of the heart's contractions. digitalis [dij′ital′is] Etymology: L, digitus, finger or toe a general term for cardiac glycoside. See also digitoxin, digoxin. indications It is prescribed in the treatment of congestive heart failure and certain cardiac arrhythmias. contraindications Ventricular fibrillation, ventricular tachycardia, or known hypersensitivity to this drug prohibits its use. adverse effects The most serious reactions are cardiac arrhythmias that are more common with concomitant diuretics, disorientation, and visual distubances. Digitalis a genus of herbs in the family Scrophulariaceae; contains digitalis-related (cardenolide) cardiac glycosides, e.g. digoxin, lanatoside. Includes D. lanata (woolly foxglove), D. purpurea (purple foxglove). Sources of commercial digitalis. digitalis dried leaf of Digitalis purpurea; used as a cardiotonic agent. All drugs prepared from this digitalis leaf are members of the same group and principles of administration are the same. The drugs vary according to speed of action and potency. Digitalis can be very effective in the treatment of various cardiac conditions, but its therapeutic range is very narrow; a therapeutic dose is only about one-third less than the dose that will induce toxicity. Toxicity is manifested by vomiting, diarrhea, cardiac irregularity and heart failure. digitalis glycosides digitoxin, digoxin. digitalis Cardiology A cardiac glycoside first found in foxglove, Digitalis purpurea, now of historic interest; the synthetic derivatives, digoxin and digitoxin are the most popular of the cardiac glycosides How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
|
| ? Mentioned in | ? References in periodicals archive | |
|---|---|---|
Patients who were taking digitalis (n=10) or patients with a right (n=6) or left (n=3) bundle branch block were not excluded from this analysis because the baseline ST-segment abnormalities could be distinguished from acute ischemic changes in the ST segment when continuous trends in the ST segment were analyzed. Initially, regular physicians strove to combat consumption with treatments such as leeching, blistering, bleeding, opium, and digitalis. For example, antihypertensive/cardiac drugs, such as calcium channel blockers, beta blockers, digitalis, and the cardiac glycosides, can cause depression yet may never be considered for this. |
| Medical Dictionary |
| Free Tools: |
For surfers:
Free toolbar & extensions |
Word of the Day |
Help
For webmasters: Free content | Linking | Lookup box | Double-click lookup | Partner with us |
|---|