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Vitamin K - Definition


Vitamin K exists in three distinct forms and can either be supplied by the diet or produced by the body. It is primarily involved in blood coagulation processes by stimulating the production of certain coagulating factors in the liver. When someone is deficient in vitamin K, these factors are reduced, leading to impaired coagulation capacity and increased liquefaction of the blood. This property is notable used in treatment with vitamin K antagonists, drugs prescribed to prevent thrombosis or embolism, or to treat them. These antagonists are principally used in cases of phlebitis, pulmonary embolism, or cardiac arrhythmia by atrial fibrillation, carrying the risk of stroke.