Estimating FiO2
Oxygen Therapy
Flow Rates
100

The flow rate of a simple oxygen mask when the estimated FiO2 is 0.50-0.60.

What is 7-8 L/min?

100

The flow rate range of a low-flow nasal cannula

What is 1-6 L/min?

200

The estimated FiO2 for a non-rebreathing mask at 12 L/min.

What is 0.80?

200

The common types of low flow oxygen devices (5).

What are low-flow nasal cannula, transtracheal catheter, simple oxygen mask, partial rebreathing mask, and non-rebreathing mask?

300

This low-flow device reduces O2 use by ≈ 50%

BONUS: What are the two types of this device?

Reservoir Cannula

BONUS: Moustache, Pendant

400

The two benefits of using a high-flow nasal cannula

What is:

Flushes out CO2 from upper airway
Increases expiratory pressure (improves lung inflation)

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