Question

A 71-year-old woman with atrial fibrillation on warfarin presents with life‑threatening GI bleeding (INR 3.8). First step in anticoagulation reversal?

Accepted Answer

Administer 4‑factor prothrombin complex concentrate and IV vitamin K

Answer

Administer vitamin K 1 mg PO only

Answer

Switch to apixaban immediately

Answer

Transfuse platelets

Answer

Recombinant factor VIIa monotherapy

Practice question

A 71-year-old woman with atrial fibrillation on warfarin presents with life‑threatening GI bleeding (INR 3.8). First step in anticoagulation reversal?