High flow nasal cannula - High Flow Nasal Cannula

Each breath that the patient now re-breathes will be washed out of carbon dioxide and replaced with oxygen rich gas improving breathing efficiency 8.

Research in high flow therapy: mechanisms of action.

Physiologic effects of high-flow nasal cannula in acute hypoxemic respiratory failure.

In addition, they discuss clinical uses such as both hypoxemic and hypercapnic respiratory failure, pre-intubation, post-extubation, sleep apnea, heart failure, and others.