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Emergency Medicine · Cardiology

San Francisco Syncope Rule calculator

Enter the published formula inputs below to calculate and interpret this score.

Clinical inputs

Result

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Formula inputs

  • History of congestive heart failure
  • Hematocrit <30%
  • Abnormal ECG
  • Shortness of breath
  • Triage systolic blood pressure <90 mmHg

Primary source

Quinn JV et al. Derivation of the San Francisco Syncope Rule to predict patients with short-term serious outcomes. Ann Emerg Med (2004)

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