Decorticate Posturing Brain Stem
Bleeding in the brain from any cause.
Decorticate posturing brain stem. Confusion of such stereotypic extension pronation movements with brain stem reflexes may confound or delay definitive diagnosis of bd. It is exhibited by people with lesions or compression in the midbrain and lesions in the cerebellum. This is the worst type of posturing between the two.
Causes of decorticate posturing include. Brain problem due to drugs poisoning or infection. Infection such as reye syndrome.
Remember the letters cor in the word de cor ticate for the word core. It is exhibited by people with lesions or compression in the midbrain and lesions in the cerebellum. Decerebrate posturing indicates brain stem damage specifically damage below the level of the red nucleus e g.
Electrocerebral silence on electroencephalogram and absent perfusion on nuclear medicine brain imaging further confirmed bd. Decorticate posture is stiff with legs held out straight fists. This is a type of e xtended posturing and can indicate damage to the brain stem.
Mnemonic for decorticate posturing. Brain problem due to liver failure. Although it is serious it is usually not as serious as decerebrate posture.
This abnormal posturing makes a person suffer from clenched fists bent arms and legs that are held out straight. The patient will bring their arms to the core of the body middle. Criteria for establishing brain death bd require absence of all brainstem mediated reflexes including motor ie decerebrate or decorticate posturing.