A 72-year-old woman with atrial fibrillation on Warfarin presents with melaena. Her INR is 5.2. She is haemodynamically stable but anaemic. What is the most appropriate immediate management of her anticoagulation?AContinue Warfarin at the same doseBStop Warfarin and give oral Vitamin KCStop Warfarin and give intravenous Vitamin K and prothrombin complex concentrateDSwitch immediately to a direct oral anticoagulant at equivalent doseEIgnore the INR as it is not relevant to bleeding riskCheck my answer