Vitamin K is involved in the production of coagulation factors II, VII, IX, X, protein C and S. Giving vitamin K can help reverse the anticoagulation effects of warfarin but it does not have immediate onset of action.
Fresh frozen plasma (FFP) refers to the liquid portion of human blood that has been frozen and preserved after a blood donation. FFP replaces factors II, V, VII, IX, X, and XI and helps to reverse warfarin effects much quicker than vitamin K.
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