Preoxygenation = Denitrogenation Flashcards Preview

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Flashcards in Preoxygenation = Denitrogenation Deck (2)
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1
Q

why is th pt preoxygenated

A

to fill the FRC with O2

2
Q

How can you estimate the time it will take B4 the pre oxygenated Healthy pt desaturates after onset of Apnea?

A

O2 consuption is 250mL/min and 2500mL of O2 are found in FRC after pre oxygenation. it will take 10 min to use this O2
2500 mL / 250 mL/min = 10 min

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