Why do you fast before recieving an anaesthetic?
Answer:
To reduce the chance of aspirating.
Some people throw up. They could inhale it (as the previous poster said) and damage their lungs.
Some people get sick from anesthesia, even violently sick. So if your in surgery and you get sick there is nothing for you to puke up. They also stick a tube down your throat to help you breath so if you did puke it would probably push the tube up and out of your throat. Puking+tube=bad. Also if your on an empty stomach and you do get sick it won't be as bad afterwards. When ever I have surgery they always bring me a warm gingerale and crackers even though I never get sick. It just helps and its good to have something to eat when you havn't eaten for 12+ hours!
If you have food in your stomach before surgery, you may throw up {Aspirate} because of the anesthesia, in the middle of surgery and that's what they are trying to avoid.
if your stomach is not empty when you have an anesthetic, if you vomit you may aspirate and die
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