PERC rule: Difference between revisions

Revision as of 18:38, 22 May 2011

Pulmonary Embolism Rule Out (PERC) Criteria

If all BREATHS are present AND low suspicion for PE, no D-dimer needed:

Note: Inclusion Criteria
- Use this criteria if confident in excluding PE with negative D-dimer

Authors:

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 If all BREATHS are present AND low suspicion for PE, no D-dimer needed:
+*B- No blood in sputum
+*R- Room air sat > 95%
+*E- No estrogen or hormone use
+*A- Age < 50
+*T- No  prior DVT or PE
+*H- Heart rate < 100bpm
+*S- No surgery/trauma requiring hospitalization in past 4 weeks
-B- No blood in sputum
+*Note: Inclusion Criteria
+**Use this criteria if confident in excluding PE with negative D-dimer
-R- room air sat > 95%
-E- No estrogen or hormone use
-A- Age < 50
-T- No  prior DVT or PE
-H- Heart rate < 100bpm
-S- No surgery/trauma requiring hospitalization in past 4 weeks
-Note: Inclusion Criteria
-Use this criteria if confident in excluding PE with negative D-dimer
-Patient with dyspnea and PE was not felt to be the most likely Dx:
-     -very low risk group ~2% overall PE risk
-Note: Exclusion
-DO NOT use if negative D-dimer does not r/o PE
-Validated on 7527 patients found 96% sensitive in detecting PE
-.9% had PE, 0 died when all BREATHS present
+*Validated on 7527 patients
+**Only 0.9% had PE when PERC -, no deaths
 [[Category:Pulm]]