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🫁 mMRC Dyspnoea Scale

Grade exertional breathlessness with the mMRC dyspnoea scale.

mMRC Dyspnoea Scale

Breathlessness grade

When to use

COPD symptom assessment and disability grading.

How it works

0 (breathless only on strenuous exercise) to 4 (too breathless to leave the house).

Key points

  • mMRC ≥ 2 indicates more symptoms in GOLD ABE.
  • Captures disability, not airflow limitation.
  • Used alongside the CAT.

References

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

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