II. Indications
III. Criteria (Mnemonic: CHESS)
- Congestive Heart Failure history
- Hematocrit <30%
- Electrocardiogram abnormal
- Shortness of Breath
- Systolic Blood Pressure <90 mmHg at triage
IV. Interpretation
- Positive: One of criteria above
V. Efficacy: Risk for short-term serious Syncope outcome (30 day mortality)
- Test Sensitivity: 96% (misses 4% of cases)
- Test Specificity: 62%