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Unconsciousness may occur as the result of traumatic brain injury, brain hypoxia (inadequate oxygen, possibly due to a brain infarction or cardiac arrest), severe intoxication with drugs that depress the activity of the central nervous system (e.g., alcohol and other hypnotic or sedative drugs), severe fatigue, pain, anaesthesia, and other causes.
The patient's score can vary from a score of 3 (indicating severe brain injury and death) to 15 (indicating mild or no brain injury). [34] In those with deep unconsciousness, there is a risk of asphyxiation as the control over the muscles in the face and throat is diminished.
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.
A new study recorded brain waves while dying people were resuscitated to see what happens during the out-of-body experiences they later describe. Near-death experiences tied to brain activity ...
Brain disruption from sedation can lead to an eight times [4] increased risk of the development of ICU delirium. This is associated with a doubled risk of mortality [5] during hospital admission. For every one day of delirium, there is a 10% increased risk of death. [6]
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 ...
[3] [4] Asphyxia causes generalized hypoxia, which affects all the tissues and organs, some more rapidly than others. There are many circumstances that can induce asphyxia, all of which are characterized by the inability of a person to acquire sufficient oxygen through breathing for an extended period of time. Asphyxia can cause coma or death.
Researchers studying the brain’s final moments have gained new insight into the “wave of death” that occurs before a brain’s activity fully flatlines. There's a 'Wave of Death' in Every ...