blood doesn't clot properly
Newborns are especially prone to vitamin K deficiency
Vitamin K deficiency in adults is rare
Vitamin K deficiency can cause massive hemorrhaging in infants due to impaired blood clotting. This deficiency can occur because newborns have lower levels of vitamin K, which is needed for proper blood coagulation. Infants are typically given a vitamin K injection shortly after birth to prevent this deficiency.
The prognosis for correcting vitamin K deficiency, and associated blood-clotting problems, is excellent.
Sometimes antibiotics will cause vitamin K deficiencies. The antibiotic caused the bacteria in the intestines to go all sorts of crazy. When the good bacteria in the intestines is not right it can cause this deficiency.
Vitamin K deficiency in newborn infants is treated and prevented with a single injection of phylloquinone (5 mg).
Deficiency of Vitamin K
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Vitamin K is necessary for the production of Clotting Factors II, VII, IX and X. So a vitamin K deficiency could lead to a bleeding disorder. Additionally vitamin K is necessary for the production of the anticoagulant protein C and protein S. Inhibition of Vitamin K function is also associated with clotting disorders though for this to occur there has to be a deficiency in either proteins C or S.
k
Vitamin K deficiency is typically measured by assessing levels of prothrombin time (PT) and activated partial thromboplastin time (aPTT) in the blood. Additionally, measurement of vitamin K-dependent clotting factors, such as Factor II, VII, IX, and X, can also be used to diagnose deficiency. Specialized tests to directly measure vitamin K levels in the blood can also be performed.
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