Question

A 47-year-old with suspected PE is low risk by Wells (score 1.5) and has no PERC criteria present. What is the appropriate next step?

Accepted Answer

No D-dimer or imaging; PE can be ruled out clinically (PERC negative)

Answer

Order D-dimer; if elevated, CT pulmonary angiography

Answer

Proceed directly to CT angiography

Answer

Start empiric anticoagulation

Answer

Order V/Q scan regardless of D-dimer

Practice question

A 47-year-old with suspected PE is low risk by Wells (score 1.5) and has no PERC criteria present. What is the appropriate next step?