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Coumadin
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Warfarin Sodium (Coumadin) is a drug that prevents harmful clots from forming in the blood. Warfarin is sometimes called an anticoagulant or a “blood thinner.” It does not actually thin the blood. Warfarin does not dissolve clots that already have formed. It prevents new clots from forming, or existing clots from becoming larger and causing more serious problems. Warfarin is used to prevent or to treat harmful clotting related to certain blood vessel, heart, and lung conditions.
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A common starting dosage of Coumadin tablets for adults is 2 to 5 milligrams per day. Individualized daily dosage adjustments are based on the results of tests that determine the amount of time it takes for the blood clotting process to begin. A maintenance dose of 2 to 10 milligrams per day is satisfactory for most people. The duration of treatment will be determined by your physician.
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Answer: Coumadin will usually have some effect for 4-5 days after cessation depending on the initial INR and the patient's metabolism. If the death was due to an embolic event from the heart thrown to the brain - possibly.
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The long-term use of Coumadin, a drug commonly prescribed to reduce the risk of blood clots, appears to increase the risk of fractures associated with osteoporosis, a bone-thinning condition that usually increased with age. Coumadin prevents coagulation by blocking vitamin K, which is needed to activate certain clotting factors. Because vitamin K is ... used to activate proteins involved in bone formation, drugs like coumadin may increase the risk of fractures. To investigate, Dr. Brian F. Gage, from Washington University School of Medicine in St. Louis, and colleagues assessed the rate of osteoporotic fractures among 12,048 Medicare beneficiaries. The subjects included 4,461 who had been prescribed Coumadin for at least one year and 7,587 who were not on the drug. Coumadin users were 25 percent more likely to experience a fracture than nonusers.
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DRUG CLASS AND MECHANISM: Coumadin is an oral anticoagulant that inhibits the synthesis of clotting factors... preventing blood clot formation. Blood clots can occur in the veins of the lower extremities, usually after periods of immobility. These clots can break off and become lodged in the blood vessels of the lung (pulmonary embolism), causing shortness of breath, chest pain, and even life-threatening shock. Blood clots can also occur in the atria of the heart during atrial fibrillation (see Atrial Fibrillation article), and around artificial heart valves. One of these clots can also break off and obstruct a blood vessel in the brain, causing an embolic stroke with paralysis. Coumadin is important in preventing the formation of blood clots.
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Answer: Coumadin (warfarin) was invented at the University of Wisconsin in 1949. It was initially used as a mammalian pesticide since excessive anticoagulation will produce bleeding leading to shock and death. Most current pesticides use a slightly different chemical that has a time release characteristic rather than a one dose effect. However, this drug has been used extensively since the early 1950's in humans for anticoagulation. Close monitoring is required with the use of this drug to ensure that the right dose is administered. This drug interferes with Vitamin K. Consequently, any change in Vitamin K intake can change the dosage of coumadin.
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Coumadin