PERC Rule: Application and Limitations

“Pleuritic chest pain […] is not in a validated clinical decision rule despite having a higher OR for PE than hemoptysis and recent immobilization”

The PERC rule can be a wonderful thing, but requires judicious use. Jason West, MD reviews the literature, discussing applicability and limitations of the PERC rule, so you’ll know when to feel confident foregoing the D-dimer and when to be more cautious.