Question

A 67-year-old low-risk ED patient (Wells low) has suspected PE; age 67; high-sensitivity D-dimer reported in FEU is 610 ng/mL. What is the best next step?

Accepted Answer

Use age-adjusted D-dimer; PE ruled out

Answer

CT pulmonary angiography

Answer

Ventilation-perfusion scan

Answer

Lower-extremity ultrasound

Answer

Empiric anticoagulation

Practice question

A 67-year-old low-risk ED patient (Wells low) has suspected PE; age 67; high-sensitivity D-dimer reported in FEU is 610 ng/mL. What is the best next step?