Question

A 68-year-old with intermediate pretest probability for PE has age-adjusted D-dimer reported in FEU (cutoff 500 ng/mL). What threshold applies?

Accepted Answer

Age × 10 ng/mL

Answer

Age × 5 ng/mL

Answer

Fixed 250 ng/mL for all

Answer

Age × 20 ng/mL

Answer

Fixed 1000 ng/mL for all

Practice question

A 68-year-old with intermediate pretest probability for PE has age-adjusted D-dimer reported in FEU (cutoff 500 ng/mL). What threshold applies?