Lack of oxygen in the brain for 5 to 10 minutes results in permanent brain damage.
Cerebral hypoxia occurs when there is not enough oxygen getting to the brain. The brain needs a constant supply of oxygen and nutrients to function.
Cerebral hypoxia refers to the largest parts of the brain, called the cerebral hemispheres. However, the term is often used to refer to a lack of oxygen supply to the entire brain.
Cerebral hypoxia refers to the largest parts of the brain, called the cerebral hemispheres. However, the term is often used to refer to a lack of oxygen supply to the entire brain.
When oxygen is severely limited or lacking for long periods of time, the body shuts down and becomes comatose. If you are comatose, you are unconscious and do not respond to stimuli such as noise or pain. Others will not be able to wake you, and you will not perform any voluntary actions. If oxygen supply is regained, you may recover enough to wake from a coma, but permanent brain damage is likely to have occurred.
Source: wikipedia.org
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