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Approximate fraction of inspired oxugen with different delivery devices

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mitcht's version from 2017-10-05 23:24

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Question Answer
1 L min - 24 % (FiO2 %)Nasal canula
2 L min - 28 % (FiO2 %)Nasal canula
3 L min - 32 % (FiO2 %)Nasal canula
4 L min - 36 % (FiO2 %)Nasal canula
5-6 L min - 40 % (FiO2 %)simple face mask
6-7 L min - 50 % (FiO2 %)simple face mask
7 L min - 65 % (FiO2 %)simple rebreather mask
7-8 L min - 60 % (FiO2 %)simple face mask and partial rebreather mask
8-15 L min - 70-80 % (FiO2 %)partial rebreather mask
set to prevent collapse of reservoir- 85-100%non-rebreather mask
as indicated on deviceventuri mask
memorize

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