ModerateCardiovascularSuspected deep vein thrombosisuk-plab-1
A 62-year-old woman presents with a swollen, painful left calf after a long-haul flight. Examination shows calf tenderness and a 3 cm difference in calf circumference compared to the right. She has no haemodynamic compromise. Her Wells score for DVT is calculated as 2 (”DVT likely”). What is the most appropriate next investigation?