Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
High-flow nasal cannula scheme for oxygen requirements coupled with gas flow rates
| FiO2 | 21–30% | 30–40% | 40–60% | 60–100% |
|---|---|---|---|---|
| Flow | 30 L/min | 30–40 L/min | 40–50 L/min | 50–70 L/min |
In case the patient is using NIV, sessions could be interrupted when the respiratory rate is < 25 breaths/min and the FiO2 < 40% (for a SpO2 88%)
