Question

A 70-year-old man on warfarin for atrial fibrillation presents with an INR of 5.2 but no bleeding. According to the BNF, what is the recommended action?

Accepted Answer

Withhold 1-2 doses of warfarin and resume at a reduced dose when INR <5

Answer

Stop warfarin and give IV vitamin K immediately

Answer

Continue warfarin at the same dose

Answer

Give prothrombin complex concentrate

Answer

Switch to heparin infusion

Practice question

A 70-year-old man on warfarin for atrial fibrillation presents with an INR of 5.2 but no bleeding. According to the BNF, what is the recommended action?