![]() Therefore, they won't affect the diagnosis of brain death. These spinal reflex movements are generated by the spinal cord and don't involve the brain at all. Occasionally, a person’s limbs or torso (the upper part of the body) may move, even after brain stem death has been diagnosed. ![]() The person is disconnected from the ventilator for a short period of time to see if they make any attempt to breathe on their own.īrain death will be diagnosed if a person fails to respond to all of these tests.A thin, plastic tube is placed down the trachea (windpipe) to see if it provokes gagging or coughing.Ice-cold water is inserted into each ear, which would usually cause the eyes to move.The pons serves as a connector between the cerebrum and the cerebellum The medulla is a passage for nerves. Pressure is applied to the forehead and the nose is pinched to see if there's any movement in response. The pons and medulla are part of the brainstem.The cornea (transparent outer layer of the eye), which is usually very sensitive, is stroked with a tissue or piece of cotton wool to see if the eye reacts.A torch is shone into both eyes to see if they react to the light.The tests used to determine whether brain stem death has occurred are outlined below: The tests are carried out twice to minimise any chance of error. The brainstem is a critical regulator of vital bodily functions and includes the midbrain, pons, and the medulla oblongata 1,2.These regions subserve emotions and behavior and are implicated in. Both doctors have to agree on the results for a diagnosis of brain death to be confirmed. The doctors will explain the tests to you and they'll keep you informed about your loved one's condition at all times. Neither of them can be involved with the hospital's transplant team. The diagnosis of brain death has to be made by two senior doctors. Once these factors have been ruled out, tests are carried out to confirm brain death. Learning objective: to recognize the principal features of the pons as seen from the surface, including the attachments of cranial nerves V and VI-VIII. ![]() 1 In the human brain the brainstem is composed of the midbrain, the pons, and the medulla oblongata.
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