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Brain death is used as an indicator of legal death in many jurisdictions, [6] but it is defined inconsistently and often confused by the public. [7] Various parts of the brain may keep functioning when others do not anymore, and the term "brain death" has been used to refer to various combinations.
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 ]
Over time, brain death became the more popular definition of biological death, and doctors codified this view in a 2019 position statement by the American Academy of Neurology.
The death of a person has legal consequences that may vary between jurisdictions. Most countries follow the whole-brain death criteria, where all functions of the brain must have completely ceased. However, in other jurisdictions, some follow the brainstem version of brain death. [39]
Near-death experiences. What happened to Osteen that winter day is what experts call a “near-death experience.” It can occur when doctors bring a person back to life after the heart flatlines ...
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.
Asphyxiation can result in brain damage and death in as little as four minutes. Parents are encouraged to have open and informed conversations with their children about social media to help set ...
In some cultures, death is the complete termination of life. [5] In other cultures, death can include altered states of being, like sleep or illness. [5] In some traditions, death marks the transition into a different kind of existence, or involves a cyclic pattern of death and rebirth. [5]