Medical Definition of anticoagulation
: the process of hindering the clotting of blood; especially : the use of an anticoagulant to prevent the formation of blood clots <Patients with valvular heart disease and atrial fibrillation are at a high risk of stroke and should receive anticoagulation.—Scott Stern, The Journal of the American Medical Association, 14 June 2000> <Although the pharmacodynamics of warfarin are subject to genetic and environmental variability, the primary determinants of the risk of bleeding are the duration and intensity of anticoagulation—Andrew I. Schafer, The New England Journal of Medicine, 10 Apr. 2003>
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