ModerateCardiovascularSuspected deep vein thrombosisuk-plab-1
A 62-year-old woman presents to her GP with a painful, swollen left calf 2 days after a long-haul flight. She has a Wells score of 3 for suspected deep vein thrombosis (DVT). There is no history of bleeding disorders and renal function is normal. D-dimer testing is not immediately available. According to NICE guidance, what is the most appropriate initial management?