II. Indications

  1. COPD Exacerbation
    1. Estimate mortality risk and Mechanical Ventilation risk

III. Criteria (one point for each positive criteria)

  1. Blood Urea Nitrogen (BUN) >25
  2. Altered Mental Status
  3. Pulse > 109 beats/min
  4. Age > 65 years

IV. Interpretation

  1. Score 0: Class 1 (Mortality 0.5%)
  2. Score 1: Class 2 (Mortality 1.4%)
  3. Score 2: Class 3 (Mortality 3.7%)
  4. Score 3: Class 4 (Mortality 12.7%)
  5. Score 4: Class 5 (Mortality 26.2%)

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