Question

A 62-year-old presenting to ED with low/intermediate pretest probability of PE; age 70; hs D-dimer assay reports FEU. Which cutoff excludes PE with a negative result?

Accepted Answer

Age × 10 μg/L FEU (here 700 μg/L)

Answer

Fixed 250 μg/L FEU for all ages

Answer

Age × 5 μg/L FEU

Answer

Age × 10 ng/mL DDU

Answer

Age × 5 ng/mL FEU

Practice question

A 62-year-old presenting to ED with low/intermediate pretest probability of PE; age 70; hs D-dimer assay reports FEU. Which cutoff excludes PE with a negative result?