| Grade | Degree of breathlessness related to activities |
| 1 | Not troubled by breathlessness except on strenuous exercise |
| 2 | Short of breath when hurrying on the level or walking up a slight hill |
| 3 | Walks slower than most people on the level, stops after a mile or so, or stops after 15 minutes walking at own pace |
| 4 | Stops for breath after walking about 100 yds or after a few minutes on level ground |
| 5 | Too breathless to leave the house, or breathless when undressing |
Content on this page has not been checked for accuracy. The author's credentials have not been confirmed. Always use multiple peer-reviewed scholarly sources and good clinical judgement in your decision making.
The Compendium platform was created by David Kwinter, MD, CCFP(EM).