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Emergency Medicine · Cardiology

San Diego Syncope Rule calculator

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

Clinical inputs

Result

0

San Diego syncope rule low-risk count

Interpret only within the cited source population and criteria; use alongside complete clinical assessment.

Formula inputs

  • abnormal ecg
  • congestive heart failure
  • shortness of breath
  • hematocrit lt 30
  • systolic bp lt 90

Primary source

Sun BC et al. External validation of the San Francisco Syncope Rule and development of the San Diego Syncope Rule. Ann Emerg Med. DOI: 10.1016/j.annemergmed.2006.12.004. PMID: 17394920. Scope: San Diego syncope rule counts abnormal ECG, congestive heart failure, shortness of breath, hematocrit <30%, and systolic blood pressure <90 mm Hg. (2007)

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