
Emergency MedicineD-dimerDiagnostic Imaging
Simplifying Pulmonary Embolism Exclusion: Can One Clinical Question Safely Reduce Imaging?
By MedXY|Jan 14, 2026
A prospective multicenter study demonstrates that using a single clinical question—whether pulmonary embolism is the most likely diagnosis—to adjust D-dimer thresholds can safely reduce chest imaging by 19% in emergency departments without
