MRCEM Notes

Fixed oxygen delivery devices

The following colours and oxygen percentanges are:

Venturi Connector ColourOxygen %Flow Rate (L/min)
Blue24%2
White28%4
Orange31%6
Yellow35%8
Red40%10
Green60%12-15

Knowledge of the basics of intermittent and longer-term oxygen therapy to the level of detail contained within the BNF is useful in the assessment of ED patients with oxygen-dependent disease.

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