Question

A 28-year-old with low-risk PE pretest probability and PERC negative has a D-dimer ordered inadvertently: 520 ng/mL FEU. Age 28. Next best step?

Accepted Answer

No imaging-PERC negative obviates testing; disregard the D-dimer

Answer

CT pulmonary angiography

Answer

V/Q scan

Answer

Start anticoagulation empirically

Answer

Repeat D-dimer in 24 hours

Practice question

A 28-year-old with low-risk PE pretest probability and PERC negative has a D-dimer ordered inadvertently: 520 ng/mL FEU. Age 28. Next best step?