Trying to get through to the Groome Transportation Macon Office on the phone is PURE HELL. I have been the first caller in line for 45 minutes on several occasions. They have 2 other phone numbers but one the mail box is full and the... More
A: 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 not, you typically don't. For this, a general rule of thumb is that brain cells begin to die after approximately 4-6 minutes of no blood-flow. After around 10 minutes, those cells will cease functioning, and be effectively dead. That said, there are some exceptions to that rule.