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🫁 DECAF Score (COPD Exacerbation)

Predict in-hospital mortality in acute COPD exacerbation with the DECAF score.

DECAF Score (COPD Exacerbation)

Extended MRC Dyspnoea Scale
Eosinopenia (< 0.05 ×10⁹/L)
Consolidation on CXR
Acidaemia (pH < 7.30)
Atrial fibrillation

When to use

Risk-stratify hospitalised COPD exacerbations.

How it works

Dyspnoea (eMRCD 5a 1 / 5b 2), Eosinopenia (1), Consolidation (1), Acidaemia pH < 7.30 (1), atrial Fibrillation (1). 0–6.

Key points

  • 0–1 low, 2–3 intermediate, 4–6 high mortality.
  • Helps guide level of care and treatment ceilings.
  • Uses data available on admission.

References

Decision support for licensed clinicians only; not a substitute for clinical judgement, diagnosis or local protocols.

Other tools

🫁 CURB-65🫁 A–a gradient🚬 Pack-years🫁 P/F ratio

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