Question

A 70-year-old with low pretest probability for PE (Wells score 1.5) has a D-dimer of 600 µg/L FEU. Which is the best next step? (Age 70)

Accepted Answer

Use age-adjusted D-dimer; PE excluded without imaging

Answer

Obtain CT pulmonary angiography now

Answer

Start empiric anticoagulation

Answer

Obtain V/Q scan

Answer

Repeat D-dimer in 24 hours

Practice question

A 70-year-old with low pretest probability for PE (Wells score 1.5) has a D-dimer of 600 µg/L FEU. Which is the best next step? (Age 70)