Question

A 63-year-old woman with suspected PE has intermediate pretest probability. She is 72 years old and D-dimer by FEU is 460 ng/mL. What does this result imply using age-adjusted threshold?

Accepted Answer

Negative; PE excluded without imaging

Answer

Positive; proceed to CTPA

Answer

Indeterminate; order V/Q scan

Answer

Start anticoagulation immediately

Answer

Repeat D-dimer in 24 hours

Practice question

A 63-year-old woman with suspected PE has intermediate pretest probability. She is 72 years old and D-dimer by FEU is 460 ng/mL. What does this result imply using age-adjusted threshold?