Question

A 72-year-old man with suspected PE has low clinical probability and D-dimer 820 ng/mL (FEU). Age-adjusted cutoff is age×10 (FEU). Does the D-dimer exclude PE?

Accepted Answer

No; 820 exceeds the age-adjusted cutoff of 720

Answer

Yes; 820 < age-adjusted cutoff of 720

Answer

Age adjustment is not recommended

Answer

PERC criteria negate D-dimer

Answer

Proceed directly to anticoagulation

Practice question

A 72-year-old man with suspected PE has low clinical probability and D-dimer 820 ng/mL (FEU). Age-adjusted cutoff is age×10 (FEU). Does the D-dimer exclude PE?