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Natural movements also known as the Lazarus sign or Lazarus reflex can occur on a brain-dead person whose organs have been kept functioning by life support. The living cells that can cause these movements are not living cells from the brain or brain stem; these cells come from the spinal cord.
Later, a funeral worker noticed the woman moving and alerted his co-worker that the woman should go back to the hospital. [7] [8] A 65-year-old man in Malaysia regained vital signs two-and-a-half hours after doctors at Seberang Jaya Hospital, Penang, pronounced him dead. He died three weeks later. [9]
The phenomenon has been observed to occur several minutes after the removal of medical ventilators used to pump air in and out of brain-dead patients. [4] It also occurs during testing for apnea—that is, suspension of external breathing and motion of the lung muscles—which is one of the criteria for determining brain death used for example by the American Academy of Neurology.
The 36-year-old was in the coma-like state for 10 months as doctors believed he was brain dead Initially given six months to live, he’s opening up about his painful yet remarkable years-long ...
Quinlan had suffered irreversible brain damage after she had experienced an extended period of respiratory failure, lasting no more than 15–20 minutes. No precise cause of her respiratory failure has been given. Her brain was damaged to the extent that she entered a persistent vegetative state. Her eyes were "disconjugate" (they no longer ...
Without special treatment after circulation is restarted, full recovery of the brain after more than 3 minutes of clinical death at normal body temperature is rare. [6] [7] Usually brain damage or later brain death results after longer intervals of clinical death even if the heart is restarted and blood circulation is successfully restored ...
Today, where a definition of the moment of death is required, doctors and coroners usually turn to "brain death" or "biological death" to define a person as being dead; [27] people are considered dead when the electrical activity in their brain ceases. [28] It is presumed that an end of electrical activity indicates the end of consciousness. [29]
The certification applies to somatic death, corresponding to death of the person, which has varying definitions but most commonly describes a lack of vital signs and brain function. [9] Death at the level of cells, called molecular death or cell death , follows a matter of hours later. [ 10 ]