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.
1 Ischemic hypoxia (orstagnant hypoxia) â Reduced brain oxygen is caused by inadequate blood flow to the brain. 2  Stroke, shock, cardiac arrest and heart attack may cause stagnant hypoxia. 3  Ischemic hypoxia can also be created by pressure on the brain.erebral hypoxia can also be classified by the cause of the reduced brain oxygen: 1  Hypoxic hypoxia â Limited oxygen in the environment causes reduced brain function.