II. Indications

  1. Syncope Evaluation
    1. Evaluate short-term risk of serious outcome
    2. May reduce Syncope hospitalization rate

III. Criteria (Mnemonic: CHESS)

  1. Congestive Heart Failure history
  2. Hematocrit <30%
  3. Electrocardiogram abnormal
  4. Shortness of Breath
  5. Systolic Blood Pressure <90 mmHg at triage

IV. Interpretation

  1. Positive: One of criteria above

V. Efficacy: Risk for short-term serious Syncope outcome (30 day mortality)

  1. Test Sensitivity: 96% (misses 4% of cases)
  2. Test Specificity: 62%

VII.

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