How to Read a VIN (Vehicle Identification Number) A car VIN (Vehicle Identification Number) contains unique information about where the car was made and can be found in your car or online. by Jason Unrau on
Quick Answer. Lack of oxygen in the brain will cause permanent brain damage in as little as four minutes. Another four to six minutes without the brain receiving blood will result in increased brain damage, coma and then death.
If the blood flow is depleted of oxygen, then irreversible brain injury can occur from anoxia (no oxygen) or hypoxia (reduced oxygen) It may take only a few minutes for this to occur. This condition may be caused by heart attacks, respiratory failure, drops in blood pressure and a low oxygen environment.