Question

A 28-year-old woman presents with right lower leg pain, swelling and erythema after a 12-hour flight. Wells score is high for DVT. According to Thrombosis Canada, which initial diagnostic step is most appropriate?

Accepted Answer

Start empiric anticoagulation and arrange urgent compression ultrasound

Answer

Order D-dimer only

Answer

Wait 48 hours and reassess clinical signs

Answer

Order CT pulmonary angiography

Answer

Perform ankle-brachial index

Practice question

A 28-year-old woman presents with right lower leg pain, swelling and erythema after a 12-hour flight. Wells score is high for DVT. According to Thrombosis Canada, which initial diagnostic step is most appropriate?