Question

A 58-year-old man presents with swelling and pain in his right calf for 2 days after a long-haul flight. The leg is warm and tender with positive calf squeeze. There are no contraindications to anticoagulation. What is the most appropriate initial investigation?

Accepted Answer

Compression duplex ultrasound of the leg veins

Answer

D-dimer alone

Answer

CT pulmonary angiogram

Answer

Venography

Answer

Plain X-ray of the leg

Practice question

A 58-year-old man presents with swelling and pain in his right calf for 2 days after a long-haul flight. The leg is warm and tender with positive calf squeeze. There are no contraindications to anticoagulation. What is the most appropriate initial investigation?