Borg scale of breathing effort
- 0 = No breathlessness at all
- 1 = Very slight breathlessness
- 2 = Slight breathlessness
- 3 = Moderate breathlessness
- 4 = Somewhat severe breathlessness
- 5 = Severe breathlessness
- 7 = Very severe breathlessness
- 10 = Maximum breathlessness
Important: If borg scale rating for any session is 4 or above, discontinue conditioning and place patient back on ventilator.