Table 1

The traditional Medical Research Council Dyspnoea Scale (MRCD)13 and the extended version (eMRCD)12

Limitation due to breathlessnessMRCDeMRCD
Breathless only with strenuous exercise1
Breathless when hurrying on the level or walking up a slight hill2
Walks slower than peers, or stops when walking on the flat at own pace3
Stops after walking 100 m, or for a few minutes, on the level4
Too breathless to leave the house5
& independent in washing and/or dressing5a
& dependent in washing and dressing5b