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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.
Brain death; Other names: Brain stem death: A brain-dead patient. The patient can also be seen here executing the Lazarus sign. Specialty: Neurology, neurosurgery, palliative care, critical care medicine: Complications: Total organ failure: Causes: Cardiac arrest, myocardial infarction, stroke, blood clot: Diagnostic method: Stimulation testing ...
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.
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However, each of these criteria fails to fit a substantial proportion of patients, and there is no single test or feature which is diagnostic of Bickerstaff brainstem encephalitis. It is, therefore, possible that a proportion of cases are due to other causes, such as infection or lymphoma, but remain undiagnosed. It is also possible that there ...
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.
Archie Battersbee, a British boy, was the subject of several court hearings between April and August 2022, regarding whether or not to withdraw his life support, after he was found unconscious and subsequently considered to have suffered brainstem death.
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