A 63-year-old man on Warfarin for atrial fibrillation presents with melaena and dizziness. His INR is 7.2 and Hb is 8.0 g/dL. What is the most appropriate immediate management of his anticoagulation?AStop Warfarin and observe with no further action.BGive oral Vitamin K alone and review INR in 24 hours.CGive intravenous Vitamin K and prothrombin complex concentrate (PCC).DContinue Warfarin and give fresh frozen plasma only.ESwitch immediately to a direct oral anticoagulant.Check my answer