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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 ]
Increasingly severe injury can lead to long term consequences such as cognitive dysfunction, persistent vegetative state and finally brain death. The brain sustains irreversible injury after about 20 minutes of ischemia. [4] Even after blood flow is restored to the brain, patients can experience hours-days of hypotension, hypoxemia, impaired ...
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.
Millions of people have reported near-death experiences since cardiopulmonary resuscitation, better known as CPR, was invented in 1960, said Dr. Sam Parnia, an NYU Langone Health intensive care ...
This is a list of major and frequently observed neurological disorders (e.g., Alzheimer's disease), symptoms (e.g., back pain), signs (e.g., aphasia) and syndromes (e.g., Aicardi syndrome). There is disagreement over the definitions and criteria used to delineate various disorders and whether some of these conditions should be classified as ...
Scientists have managed to make death even scarier. According to a team of scientists in New York, the human brain is still very active after death, which means there's a chance you could actually ...
This confirms the absence of neuronal function in the whole brain. Patients classified as brain dead are legally dead and can qualify as organ donors, in which their organs are surgically removed and prepared for a particular recipient. [citation needed] Brain death is one of the deciding factors when pronouncing a trauma patient as dead.