Question

A 64-year-old woman with suspected PE has a low Wells score (1.5) but is PERC positive (on estrogen). Her D-dimer (FEU) is 420 ng/mL; she is 64 years old. The age-adjusted cutoff is 640 ng/mL. What is the next step?

Accepted Answer

No imaging; PE excluded by age-adjusted D-dimer

Answer

CTPA now

Answer

Start anticoagulation empirically

Answer

Lower-extremity ultrasound only

Answer

Admit for observation

Practice question

A 64-year-old woman with suspected PE has a low Wells score (1.5) but is PERC positive (on estrogen). Her D-dimer (FEU) is 420 ng/mL; she is 64 years old. The age-adjusted cutoff is 640 ng/mL. What is the next step?