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San Francisco Syncope Rule
Aka: San Francisco Syncope Rule, CHESS Criteria
- See Also
- Syncope
- Canadian Syncope Risk Score
- Indications
- Syncope Evaluation
- Evaluate short-term risk of serious outcome
- May reduce Syncope hospitalization rate
- Criteria (Mnemonic: CHESS)
- Congestive Heart Failure history
- Hematocrit <30%
- Electrocardiogram abnormal
- Shortness of Breath
- Systolic Blood Pressure <90 mmHg at triage
- Interpretation
- Positive: One of criteria above
- Efficacy: Risk for short-term serious Syncope outcome (30 day mortality)
- Test Sensitivity: 96% (misses 4% of cases)
- Test Specificity: 62%
- References
- Quinn (2004) Ann Emerg Med 43:224-32 [PubMed]