A 68-year-old with intermediate pretest probability for PE presents to the ED. Which testing approach is supported?...

Question

A 68-year-old with intermediate pretest probability for PE presents to the ED. Which testing approach is supported?

Accepted Answer

Use age-adjusted D-dimer threshold

Answer

Fixed D-dimer cutoff of 500 ng/mL for all ages

Answer

Skip D-dimer and go straight to CTPA

Answer

Ventilation-perfusion scan for all

Answer

Serial troponins then discharge

us-usmle-step-2 MCQ (SBA): Pulmonary Embolism Diagnostic Strategy