As a medical professional with expertise in neurology, I can explain the concept of clinical brain death. Clinical brain death refers to the irreversible cessation of all functions of the entire brain, including the brainstem. This condition is characterized by the absence of brain stem reflexes and the inability to breathe without mechanical ventilation. When a patient is declared brain dead, it signifies that they have met specific criteria that indicate the brain has sustained irreversible damage and that there is no chance of recovery. It is important to note that brain death is different from a coma or vegetative state, where some brain functions may still be present. read more >>

When someone is brain dead, it means that the brain is no longer working in any capacity and never will again. Other organs, such as the heart, kidneys or liver, can still work for a short time if the breathing machine is left in place, but when brain death is declared, it means the person has died.read more >>