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If cardiac arrest lasts longer than three to four minutes, there usually will be generalized damage to the brain. The prompt initiation of CPR certainly makes a huge difference in ensuring that the brain gets an adequate supply of blood and oxygen.

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Is brain death a sudden event or a gradual process?

Brain death can occur suddenly as in the case of trauma to the brain tissue or over time- such as when the brain tissue begins to die from lack of oxygen. An example of this could be heart failure.


Do feelings of affection occur in your heart?

No, they occur in your brain.


After how many minutes will brain death occur?

Brain death can occur within minutes to hours after the cessation of blood flow to the brain, typically around 4 to 6 minutes without oxygen. However, the exact timing can vary based on factors such as the individual's health and circumstances surrounding the loss of blood flow. In some cases, brain cells begin to die within minutes, leading to irreversible brain damage. It's important to note that brain death is a legal and medical definition of death, distinct from other conditions like coma or vegetative state.


How does herniation of the brainstem occur?

Death or permanent debilitation follows herniation of the brain stem.Such herniation will cause compression of those structures within the brain stem that control the most vital functions of the body (breathing, heart beat, consciousness).


Where does oxygenation within the heart occur?

in my nob


How long does it take for brain death to occur?

Depends.. If a person dies in a cold climate, the amount of time for the brain to die can slow down some, but the usual amount of time for brain death to occur is anywhere from 10 to 15 minutes


What happens if you have untreated hypoglycemia?

It could lead to sever damages in the retna, leg and feet, brain damages, or if heart problems and or asthmatic death could occur. If you do not have diabetes and you are in the ages younger that 20 you have higher risks of the damages and or death.


The loss of which organ results in the fastest death?

The removal of the brain results in the fastest death. Although there are many ways of facilitating death (shooting, poisoning, infection, gassing etc), all deaths are the result of full loss of brain function. Loss of brain function can occur from: - direct damage to the brain: infection, disease or trauma such as shooting or crushing; or - loss of oxygen to the brain: blood loss via injury or shock, blockage to vessels, failure to pump oxygen (heart failure or poisoning).


How does control of the heart beat occur?

the Sino Atrial Node (SA Node) is the pace maker of the heart that receives singles from the brain.


Where does red neurons occur in brain injury?

It can occur anywhere in the brain. Where ever there is ischemic injury, necrosis and inflammation occur which cause death of neurons = "red neurons". It is usually seen within 12-48 hours after an ischemic event ie. thrombosis or embolism.


How long can brain damage occur after no oxygen?

Brain damage can occur within minutes of not receiving oxygen, with irreversible damage starting to occur after about 4-6 minutes. The longer the brain is deprived of oxygen, the more severe and long-lasting the damage is likely to be. Treatment must be administered quickly to minimize the extent of brain damage.


Why is it that heart is not made of bony tissue?

if the heart was made of bone it would be unable to move and contract, death would therefore occur.