Question

A 68-year-old with pleuritic chest pain and dyspnea has low-intermediate pretest probability for PE. Quantitative D-dimer (FEU) is 600 µg/L. Which next step is most appropriate?

Accepted Answer

No further PE testing; age-adjusted D-dimer is negative.

Answer

Order CT pulmonary angiography.

Answer

Order a V/Q scan.

Answer

Treat empirically with anticoagulation.

Answer

Apply PERC to rule out PE.

Practice question

A 68-year-old with pleuritic chest pain and dyspnea has low-intermediate pretest probability for PE. Quantitative D-dimer (FEU) is 600 µg/L. Which next step is most appropriate?