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馃珌 PERC Rule

PE Rule-Out Criteria
馃挕 If ALL 8 criteria are negative, PE can be ruled out without D-dimer (≥.6% PE risk).
Check criteria that are POSITIVE (present).
Age ≥0 years
+1
Heart rate ≥00 bpm
+1
SpO鈧?<95% on room air
+1
Unilateral leg swelling (DVT sign)
+1
Hemoptysis
+1
Surgery or trauma within 4 weeks
+1
Previous VTE (DVT/PE)
+1
Estrogen use (OCP/HRT)
+1
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📛 Clinical Action

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📚 Evidence & Guidelines Class I Recommendation
★★★★★ (2004)
Citation: Kline JA, Mitchell AM, Kabrhel C, et al. Clinical criteria to prevent unnecessary diagnostic testing in emergency department patients with suspected pulmonary embolism. J Thromb Haemost. 2004;2(8):1247-1255.
Guideline: ACEP Clinical Policy
📔 View on PubMed
class="disc">⚠️ Medical Disclaimer

For ED use only. Clinical judgment required.