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15,000 to 20,000. Brain death is the permanent, irreversible, and complete loss of brain function, which may include cessation of involuntary activity necessary to sustain life. [1][2][3][4] It differs from persistent vegetative state, in which the person is alive and some autonomic functions remain. [5] It is also distinct from comas as long ...
A traumatic brain injury (TBI), also known as an intracranial injury, is an injury to the brain caused by an external force. TBI can be classified based on severity ranging from mild traumatic brain injury (mTBI/concussion) to severe traumatic brain injury. [5] TBI can also be characterized based on mechanism (closed or penetrating head injury ...
Frequency. 8.7% (lifetime risk); 3.5% (12-month risk) (US) [ 7 ] Post-traumatic stress disorder (PTSD) [ b ] is a mental and behavioral disorder [ 8 ] that develops from experiencing a traumatic event, such as sexual assault, warfare, traffic collisions, child abuse, domestic violence, or other threats on a person's life or well-being. [ 1 ][ 9 ...
The Uniform Determination of Death Act (UDDA) is a model state law that was approved for the United States in 1981 by the National Conference of Commissioners on Uniform State Laws, in cooperation with the American Medical Association, the American Bar Association, and the President's Commission for the Study of Ethical Problems in Medicine and Biomedical and Behavioral Research.
Brainstem death is a clinical syndrome defined by the absence of reflexes with pathways through the brainstem – the "stalk" of the brain, which connects the spinal cord to the mid-brain, cerebellum and cerebral hemispheres – in a deeply comatose, ventilator -dependent patient. Identification of this state carries a very grave prognosis for ...
The Human Consciousness Project is a professional organization, located at the University of Southampton, set up to study the nature of consciousness, the human brain and clinical death. [1][2] The project is multidisciplinary [1][3] and involves scientists and physicians worldwide. [1][2] Sam Parnia serves as director of the project. [1]
Intraventricular hemorrhage. Intraventricular hemorrhage (IVH), also known asintraventricular bleeding, is a bleeding into the brain's ventricular system, where the cerebrospinal fluid is produced and circulates through towards the subarachnoid space. It can result from physical trauma or from hemorrhagic stroke.
Definition: A neurological flatline is referred to as brain death.It can be identified by using an EEG (electroencephalogram) test.Brain death is the loss of function of the brain, the cerebrum, that is responsible for thinking and the deep brain or the brain stem that is responsible for the breathing and reflexes such as pupillary light reflex (the constriction of the pupil of the eye in ...