Neuromancer
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A question for Neuromancer. You talked about strangulation http://www.websleuths.com/forums/showpost.php?p=7913621&postcount=649 and having to keep going once the person becomes unconscience. If someone was to stop strangulation when the other person goes unconscience, how long does it take to regain consciencesness? Just putting out the theory that she may have come to, in the car, going around the round-a-bout.
Depends on exact injury/circumstances, but in the happiest scenario, if you were prevented from breathing and passed out from lack of oxygen to the brain and then breathing was able to resume, you'd wake up pretty quickly, once your blood oxygen level was back to normal. (Bit like when you faint, you fall over, then more blood goes to your brain while horizontal and you regain consciousness).
BUT also depends on other things like how long it goes on (longer without O2 = brain tissue injury), pressure changes around brain can cause specific problems, strangling might damage throat structures to impair breathing even once the source of strangulation is removed, effects from other injuries, etc.
So, if you don't come to soon after pressure is removed, the chances of some nasty damage having occurred is much higher.