cardiac glycosides are organic compounds derived from a plant | Medcrine
cardiac glycosides are organic compounds derived from a plant known as foxglove and used in the treatment of heart conditions.
These compounds are known to have positive inotropy meaning that they have the ability to increase the force of contraction of the heart muscle.
Examples of cardiac glycosides There are a number of drugs under the class of cardiac glycosides but the common ones are: Digoxin Digitoxin Ouabain
Digoxin is the most commonly used among these. It is an antiarrhythmic drug. Meaning that it is used in treating arrhythmias which are abnormal heartbeats. Arrhythmias are of various types but digoxin is mostly used in arrhythmias affecting the atria.
When looking at the mechanism of action we need to consider two modes of action by which digoxin works.
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