Aug 052012

Question by RchiWawa: If a person passes out from hypoxia how long would it take to regain consciousness w/ bottled oxygen?
Imagine the events of Helios flight 522 taking place but in my scenario the flight attendant puts an oxygen mask on the seated co-pilot before the independent cockpit supply ran out (in other words assume in time to have capacity to revive the pilot). How much time, typically, for a person to regain consciousness after loosing it to hypoxia?

Best answer:

Answer by Peter H
How long is a piece of string? There is no hard and fast answer to this question, depending as it does on how hypoxic the victim becomes and how long he remains in that state. It may even get to the stage where recovery is not possible.

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