What could be the criteria for the final death of the brain (when even ideal resuscitation in the distant future will not be able to do anything)?

What could be the criteria for the final death of the brain (when even ideal resuscitation in the distant future will not be able to do anything)?

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answers (2)

Answer 1
September, 2021

The minimum sufficient criterion is the absence of a reaction of the pupils to light, this reflex is provided by the center in the medulla oblongata, which is very similar in relation to oxygen starvation to other centers of the medulla oblongata - respiratory, vasomotor, etc. The absence of a reflex means the death of cells of this and similar centers and the fundamental impossibility of resuscitation.

Answer 2
September, 2021

If you are not in a medical institution, then there is always a chance to save a person. Regardless of the criteria, the human brain lives for another 10 minutes after cardiac arrest. Resuscitation started on time and an ambulance team called in can bring a person back to life.
If we talk about the format of a hospital, these are the following criteria:
Coma of the 3rd degree, complete atony of muscles, no reaction to painful irritations, no reaction of pupils to direct bright light, the eyes are motionless (no oculocephalic reflex), no spinal reflexes (near vestibular, tracheal, pharyngeal, photoreflex, corneal), lack of spontaneous breathing.
EEG (checking the electrical activity of the brain), angiography (cerebral circulation), mechanical ventilation tests (for the work of the respiratory center), if there is no activity and reaction tests are not recorded, then after a maximum of 72 hours, brain death is diagnosed.

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