Patient was educated on advantages of supplemental oxygen as follows:

1. Provides extra oxygen to the end organs and tissues of the body, thereby, improving the overall functional status.
2. Reduces shortness of breath and help prevent any acute episodes of exacerbation of dyspnea.
3. Helps maintain increased alertness and orientation, due to increased oxygen supply to the brain.
4. Reduces workload on the heart and thereby, improve exercise tolerance and endurance.
5. Helps quicker healing of any chronic wounds.
6. Helps reduce hypercapnia, which is elevated carbon dioxide levels in the blood.
7. Helps prevent development of cyanosis.