Three main methods of noninvasive support are used in the acute care setting: a high flow of gas delivered through a large-bore nonocclusive nasal cannula (i.e., high-flow nasal cannula), continuous ...

A cannula is a thin tube that doctors insert into a person’s body cavity, such as their nose, or into a vein. Doctors use them to drain fluid, administer medication, or provide oxygen. A person can ...