Question

A 45-year-old woman on warfarin for a mechanical mitral valve replacement has an INR of 1.9, which is below her therapeutic range of 2.5-3.5. She has no signs of bleeding. What is the recommended approach?

Accepted Answer

Increase the warfarin dose and recheck INR in a few days

Answer

Stop warfarin for one day

Answer

Give IV vitamin K

Answer

Give oral vitamin K

Answer

Switch to LMWH

Practice question

A 45-year-old woman on warfarin for a mechanical mitral valve replacement has an INR of 1.9, which is below her therapeutic range of 2.5-3.5. She has no signs of bleeding. What is the recommended approach?