PERC Rule Calculator

Free calculate PERC rule for pulmonary embolism. This is an educational tool only - always consult a healthcare provider.

PERC Criteria

All criteria must be negative (absent) to rule out PE

Results

Answer criteria to calculate PERC rule

About PERC Rule

  • • PERC = Pulmonary Embolism Rule-out Criteria
  • • All 8 criteria must be negative
  • • If all negative: PE ruled out (no D-dimer needed)
  • • If any positive: Further evaluation needed
  • • Only for low pre-test probability patients