Warfarin inhibits vitamin K-dependent clotting factors II, VII, IX, and X and the anticoagulant proteins C and S (Russell, 2011). Warfarin aids in preventing future blood clots and lessens the likelihood of embolism because it maintains anticoagulation in places where blood tends to pool or move slowly.Įven though many people refer to warfarin as a 'blood thinner,' this label is not accurate because it does nothing to alter the blood's viscosity.Īccording to the Occupational Safety and Health Administration (n.d.), warfarin acts on the liver to inhibit prothrombin formation, which interferes with blood clotting. This drug is widely used because it is beneficial in the treatment of numerous medical problems, including chronic atrial fibrillation, mechanical heart valves, deep venous thrombosis, pulmonary embolism, antiphospholipid syndrome, myocardial infarction (heart attack), cerebrovascular accident (stroke), dilated cardiomyopathy, and other conditions. Warfarin (Coumadin), a vitamin K antagonist, is the most commonly prescribed oral anticoagulant medication in use today.
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