| Description: | To assess the need for supplemental oxygen treatment. If the patient is already breathing supplemental oxygen, this test is used to determine if the current level of oxygen is adequate. |
| Test: | The patient will pedal on a stationary bicycle for as long as s/he can. The patient will pedal for approximately 10 minutes. After a 30-minute rest period the patient will perform a second exercise test breathing added oxygen. |
| Length of Time: | Approximately 2 hours. |
| Preparation: |
Eat a regular breakfast/lunch and drink plenty
of fluids. No restrictions on medications. Wear loose-fitting clothes (sweats) and comfortable running shoes. |