High-flow oxygen with a nasal cannula during the preoxygenation phase of endotracheal intubation is called High-flow nasal cannula (HFNC) therapy.
High-flow nasal cannula (HFNC) therapy is a treatment method is designed to supply up to 100% humidified and heated oxygen at a flow rate of up to 60 liters per minute.
The HFNC therapy is designed to help individuals who have compromised respiratory systems to utilize oxygen efficiently.
Therefore, High-flow nasal cannula (HFNC) therapy is an external oxygen supply system to the body.
Learn more about oxygen therapy at: https://brainly.com/question/24331637
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