Question

A 45-year-old woman presents with a painful swollen left calf after a long-haul flight. Her Wells score for DVT is 1 (low probability). She has had symptoms for 3 days and there is no alternative diagnosis more likely. What is the most appropriate next investigation?

Accepted Answer

D-dimer test

Answer

Immediate proximal leg vein ultrasound within 4 hours

Answer

Empirical therapeutic low-molecular-weight heparin without further tests

Answer

CT pulmonary angiography

Answer

No further testing as DVT is excluded

Practice question

A 45-year-old woman presents with a painful swollen left calf after a long-haul flight. Her Wells score for DVT is 1 (low probability). She has had symptoms for 3 days and there is no alternative diagnosis more likely. What is the most appropriate next investigation?