A 70-year-old man is taking Warfarin for atrial fibrillation. He presents to his GP with an acute painful, swollen left calf. A Doppler ultrasound confirms a deep vein thrombosis (DVT). His INR today is 2.5. What is the most appropriate management?AStop Warfarin and start Low Molecular Weight Heparin (LMWH)BContinue Warfarin and add LMWH for 5 daysCSwitch Warfarin to a Direct Oral Anticoagulant (DOAC) immediatelyDIncrease Warfarin dose and recheck INR in 3 daysEContinue Warfarin at the current doseCheck my answer