A 70-year-old man is reviewed in the anticoagulant clinic. He is taking warfarin for atrial fibrillation. His target INR range is 2.0-3.0. Today his I...

Question

A 70-year-old man is reviewed in the anticoagulant clinic. He is taking warfarin for atrial fibrillation. His target INR range is 2.0-3.0. Today his INR is 4.5, but he has no signs of bleeding. According to NICE guidance/BNF, what is the most appropriate action?

Accepted Answer

Withhold warfarin for 1 day and reduce maintenance dose

Answer

Administer intravenous Vitamin K

Answer

Administer oral Vitamin K 1-2mg

Answer

Withhold warfarin for 2 days and repeat INR

Answer

Admit to hospital for observation

ukmla MCQ (SBA): Warfarin Management (Elevated INR)

A 70-year-old man is reviewed in the anticoagulant clinic. He is taking warfarin for atrial fibrillation. His target INR range is 2.0-3.0. Today his INR is 4.5, but he has no signs of bleeding. According to NICE guidance/BNF, what is the most appropriate action?