Question

A 74-year-old man is on warfarin for atrial fibrillation. His target INR is 2-3. He presents with an INR of 5.0 but has no bleeding. According to UK guidelines, what is the recommended action?

Accepted Answer

Omit one or two doses of warfarin and consider a small dose of oral vitamin K

Answer

Stop warfarin and give IV vitamin K

Answer

Continue the same dose and recheck INR in a week

Answer

Switch to low molecular weight heparin

Answer

Immediate hospital admission

Practice question

A 74-year-old man is on warfarin for atrial fibrillation. His target INR is 2-3. He presents with an INR of 5.0 but has no bleeding. According to UK guidelines, what is the recommended action?