From Citizendium - Reading time: 1 min
In medicine, the Medical Research Council (MRC) dyspnea scale is for quantifying symptoms of dyspnea.[1]
| Grade | Description |
|---|---|
| 0 | Are you ever troubled by breathlessness except on strenuous exertion ? |
| 1 | Are you short of breath when hurrying on the level or walking up a slight hill ? |
| 2 | Do you have to walk slower than most people on the level ? Do you have to stop after a mile or so (or after 1 hour) on the level at your own pace ? |
| 3 | Do you have to stop for breath after walking about 100 yds. (or after a few minutes) on the level ? |
| 4 | Are you too breathless to leave the house, or breathless after undressing ? |