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MRC dyspnoea scale

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Medical Research Council dyspnoea scale for grading the degree of a patient's breathlessness

  • 1. Not troubled by breathlessness except on strenuous exercise
  • 2. Short of breath when hurrying or walking up a slight hill
  • 3. Walks slower than contemporaries on the level because of breathlessness, or has to stop for breath when walking at own pace
  • 4. Stops for breath after about 100 m or after a few minutes on the level
  • 5. Too breathless to leave the house, or breathless when dressing or undressing (1)

This scale does not measure breathlessness itself, but the disability caused by breathlessness (1).



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