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Oxygen delivery systems....numbers that you forget

Device/SystemOxygen Flow Rate (L/min)FIO2 Range
 
Nasal cannula10.21–0.24
20.23–0.28
30.27–0.34
40.31–0.38
5–60.32–0.44
Simple masks5–60.30–0.45
7–80.40–0.60
Masks with reservoirs50.35–0.50
Partial rebreathing mask-bag70.35–0.75
150.65–1.00
Nonrebreathing mask-bag7–150.40–1.00
Venturi masks and jet nebulizers4–6 (total flow = 15)0.24
4–6 (total flow = 45)0.28
8–10 (total flow = 45)0.35
8–10 (total flow = 33)0.40
8–12 (total flow = 33)0.50
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