Borg Scale of Perceived Exertion with Exercise
Modified Borg Scale for Perceived Dyspnea (Shortness of Breath) continued...
If you are in a formal pulmonary rehab program, RPD scores can be compared to the measurement of oxygen during training sessions. This is an effective way to get you to trust your perceptions against the measures taken by oximetry. Small, portable finger oximeters are now available commercially.
However, without any expense to you, the RPD scale can be used to monitor shortness of breath so you can pace activities successfully.