Are there different sizes of nasal cannula?
A nasal cannula is a medical device used when people cannot get enough oxygen to maintain optimal body function, whether it is due to chronic obstructive pulmonary disease (COPD), another respiratory disease or environmental changes. The nasal cannula (and its connected oxygen source) is lightweight, easy to use, and reasonably priced. They can be used in various hospital settings, whether at home or on the go. Read More