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VERY IMPORTANT QUESTION: What effects can a very high oxygen level have on someone?

P

phatj

Golden Member
My grandmother, in the hospital, is on oxygen via a canula. The hospital said they would put it on 5L for less than an hour to get her oxygen level higher. However, I just found out that her oxygen was on 5L for several hours.

I want to know what kind of effects can high oxygen have on a person? At home, my grandmother used oxygen at 2.5L normally, for about 10 hours a day.
 
I'm speaking completely from hearsay . . . but I think that high levels of oxygen is generally good for you, regardless of duration of exposure. I don't think you can have "too much" oxygen . . . ?
 
stevie wonder was born premature and was placed in a incubator. he then went blind from having too much oxygen given to him in that incubator.
 
Not a problem. I've never seen an adult injured from too much O2, especially from a nasal cannula.

Theoretically if someone's respirations are based on Hypoxic Drive it can supress respirations. I'm assuming she did not experience respiratory arrest & need to be placed on a ventilator, so it appears this was not a factor in her case.

BTW, normal FiO2 is 21 (room air), upping her nasal cannula to 5 l/m only raised it to 36, I've seen @ ~100 without a respiratory arrest.

(just noticed the author of the article I linked to is a fellow grad from U of M 🙂 )
 
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