An elderly lady has a closed neck of femur fracture and presents to ED. She is in chronic AF and on warfarin. INR is 2.6 and she is not bleeding. It is 9am and she is scheduled for repair the following day. According to current guidelines, how should her warfarin be reversed?
A. Prothrombinex 25IU/kg immediately and then 2 units FFP immediately prior to surgery
B. No immediate treatment then 2 units FFP immediately prior to surgery
C. Vitamin K 1mg IV immediately
D. Vitamin K 10mg IV immediately
E. Withhold warfarin
Answer: C