As a medical professional, I can provide you with information on the signs and symptoms of brain death. Brain death is the irreversible cessation of all functions of the entire brain, including the brainstem. Here are the key signs and symptoms that are typically assessed by medical professionals to determine brain death: 1. Unresponsiveness: The person is completely unresponsive to any stimuli, including painful ones. 2. No Brainstem Reflexes: There is an absence of brainstem reflexes, which includes: - Fixed and dilated pupils that do not respond to light. - Absence of the oculocephalic (doll's eyes) reflex, where the eyes do not move when the head is turned. - Absence of the oculovestibular (caloric) reflex, where the eyes do not move in response to cold or warm stimuli in the ears. - No gag reflex or cough reflex when the throat is stimulated. 3. Apnea: There is no spontaneous breathing, which can be confirmed by an apnea test, where the patient is disconnected from the ventilator for a short period and observed for any attempt to breathe. 4. Absence of Spontaneous Movements: The patient does not make any spontaneous movements or respond to any commands. 5. Flat Electroencephalogram (EEG): An EEG will show no electrical activity, indicating the absence of brain function. 6. No Blood Flow to the Brain: Imaging studies such as cerebral angiography or transcranial Doppler can show the absence of blood flow to the brain. It's important to note that the criteria for determining brain death may vary slightly from one jurisdiction to another, and it should always be determined by a qualified medical team following established protocols. read more >>

Some of the signs of brain death include:The pupils don't respond to light.The person shows no reaction to pain.The eyes don't blink when the eye surface is touched (corneal reflex).The eyes don't move when the head is moved (oculocephalic reflex).More items...read more >>