No, you cannot survive after being declared brain dead; it is the irreversible loss of all brain function, meaning the person is legally and medically dead, even if a ventilator keeps the heart beating temporarily. While life support can maintain bodily functions like breathing and circulation, the brain has permanently stopped, so there is no chance of regaining consciousness, thought, or recovery, and the heart will eventually stop once support is withdrawn.
Brain death (also known as brain stem death) is when a person on an artificial life support machine no longer has any brain functions. This means they will not regain consciousness or be able to breathe without support.
The heart continues to beat while the ventilator delivers oxygen to the lungs (the heart can initiate its own beating without nerve impulses from the brain) but, despite the beating heart and warm skin, the person is dead. Since the brain has stopped working, the person won't breathe if the ventilator is switched off.
Brain dead patients look asleep, but they are not. They do not hear or feel anything, including pain. This is because the parts of the brain that feel, sense, and respond to the world no longer work. In addition, the brain can no longer tell the body to breathe.
When the brain dies, the person cannot move, breathe, think or feel. Pain or suffering cease. Brain death is death, and cannot be reversed. The heart can continue to beat for awhile as the ventilator (breathing machine) provides oxygen to the body.
Once the decision to proceed with the brain death determination has been made, three conditions must be present: coma, the absence of brainstem reflexes, and apnea. Coma should be evaluated by ensuring a lack of responsiveness to noxious stimuli; no eye or motor reflex should be present in response to stimuli.
The diagnosis of brain death is primarily clinical. No other tests are required if the full clinical examination, including each of two assessments of brain stem reflexes and a single apnea test, are conclusively performed.
In brain death, you don't react to noise, lights or touch as you would before your brain injury. You may move, but your movement is involuntary, meaning you didn't move on purpose.
A deceased organ donor is kept on a ventilator after she/he has been declared brain-dead. They will remain on the ventilator until necessary approvals are taken and the organs can be retrieved. A Brain stem Dead person's organs may stay alive for a period of time that may range from a few days to a few weeks.
ST. PAUL, MN - Many brain-dead patients have spontaneous movements such as jerking of fingers or bending of toes that can be disturbing to family members and health care professionals and even cause them to question the brain-death diagnosis.
Once the decision to proceed with the brain death determination has been made, three conditions must be present: coma, the absence of brainstem reflexes, and apnea. Coma should be evaluated by ensuring a lack of responsiveness to noxious stimuli; no eye or motor reflex should be present in response to stimuli.
They do not hear or feel anything, including pain. This is because the parts of the brain that feel, sense, and respond to the world no longer work. In addition, the brain can no longer tell the body to breathe. Because the brain cannot control breathing, breathing must be done by a machine, called a ventilator.
Permanent brain damage begins after only 4 minutes without oxygen, and death can occur as soon as 4 to 6 minutes later. Machines called automated external defibrillators (AEDs) can be found in many public places, and are available for home use.
Use of a ventilator could slow the process down, but only temporarily. Even with mechanical life support, they claimed, the heart would stop and a body would begin to decompose within a week or two.
Several years ago, the autopsy report of a totally brain-dead patient named TK who was kept on life support for nearly twenty years was published in the Journal of Child Neurology. He remains the individual kept on life support the longest after suffering total brain failure.
For a diagnosis of brain death: a person must be unconscious and fail to respond to outside stimulation. a person's heartbeat and breathing can only be maintained using a ventilator. there must be clear evidence that serious brain damage has occurred and it cannot be cured.
Continuing artificial life support for patients who are brain dead may produce harm to patients, families, and others involved. Declaration of brain death should not be delayed to wait for families or to justify hospital care. Instead, appropriate family care should be provided after the death declaration.
There is no rule about how long a person can stay on life support. People getting life support may continue to use it until they either recover or their condition worsens. In some cases, it's possible to recover after days or weeks of life support, and the person can stop the treatments.
In plain terms, current diagnostic methods yield false positive results — physicians declare patients dead who are not in fact dead. In these cases, it is more accurate to diagnose that the patient suffered a profound brain injury rather than total loss of all neurological functioning.
Brain death is a clinical and legal definition of death. 1 A person who is brain dead may still show signs of life such as warm skin, a heartbeat, and a chest that rises and falls with ventilation. Even though a brain-dead person may appear to be alive, the brain is significantly damaged and recovery is impossible.
The diagnosis of brain death is primarily clinical. No other tests are required if the full clinical examination, including each of two assessments of brain stem reflexes and a single apnea test, are conclusively performed.
Therefore, CT and MRI features associated with brain death can be important for identifying catastrophic brain injury consistent with cerebral circulatory arrest. However, imaging fi ndings cannot be used to diagnose brain death in the absence of clinical evidence.