Pharmacokinetics, now and again abbreviated as PK, is a branch of pharmacology committed to determining the fate of substances administered to a living organism. The materials of hobby embody any chemical xenobiotic together with pharmaceutical tablets, pesticides, food components, cosmetics, and so forth. Digoxin, especially while given intravenously, is an instance of a drug that is properly described through the usage of - compartment pharmacokinetics. After an intravenous dose is administered, plasma concentrations rise after which all sudden decline as drug distributes out of plasma and into muscles.