Question

A 70-year-old woman with non-valvular atrial fibrillation on warfarin presents with an INR of 5.6 on routine testing. She has no bleeding symptoms and no planned procedures. What is the most appropriate management according to Australian anticoagulation guidelines?

Accepted Answer

Omit one to two doses of warfarin and reduce maintenance dose; no vitamin K is required

Answer

Continue warfarin at the same dose

Answer

Give intravenous vitamin K and prothrombin complex concentrate

Answer

Stop warfarin permanently

Answer

Admit for observation and daily INR until normal

Practice question

A 70-year-old woman with non-valvular atrial fibrillation on warfarin presents with an INR of 5.6 on routine testing. She has no bleeding symptoms and no planned procedures. What is the most appropriate management according to Australian anticoagulation guidelines?