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150 Possible Causes for Brain Death, Decorticate Posture

  • Brain Stem Herniation

    This is called brain herniation , and it results in instantaneous brain death.[] Decorticate posturing (figure top) is recognized as bilateral flexion at the elbows and wrists, shoulder adduction and extension of the lower extremities occurring with lesions[] The disrupted brainstem can lead to decorticate posture , respiratory center depression and death.[]

  • Coma

    death.[] A decorticate posturing indicates a lesion (a point of damage) at or above the red nucleus , whereas a decerebrate posturing indicates a lesion at or below the red nucleus[] Persistent vegetative state is not brain-death. An individual in a state of coma is alive but unable to move or respond to his or her environment.[]

  • Brain Death

    […] in brain death.[] Criteria for establishing brain death (BD) require absence of all brainstem-mediated reflexes including motor (ie, decerebrate or decorticate) posturing.[] Components of a complete neurological examination are: Examination of the patient-absence of spontaneous movement, decerebrate or decorticate posturing, seizures, shivering[]

  • Stupor

    Other entities discussed include the locked-in syndrome, neocortical death, persistent vegetative state, brainstem death, and brain death.[] When coma is present, using painful stimuli may trigger unusual body positions, such as decerebrate or decorticate posturing.[] Considerable new case material has been introduced along with added material on psychiatric aspects of coma and the diagnosis of brain death.[]

  • May-Hegglin Anomaly

    Finally, a four-vessel cerebral angiogram demonstrated no intracranial blood flow supporting the clinical picture of brain death.[] Her condition deteriorated; she demonstrated decorticate and decerebrate posturing, absent pupillary reflex, and autonomic dysfunction.[] We present a case of acute cerebral infarction of the left hemisphere in a 29-year-old patient with the May-Hegglin anomaly, ultimately resulting in herniation and brain death[]

  • Hepatic Encephalopathy

    Adequate spontaneous respiration was maintained and the possibility of brain death was excluded. LDLT was performed on the 5th ICU day.[] […] and decerebrate posturing, muscle spasticity, and bilateral extensor plantar reflexes.[] HE on ALF has sometimes resulted in brain death following brain edema with astrocyte swelling.[]

  • Reye Syndrome

    Death is rare and is due to brain death from the cerebral oedema.[] […] and decerebrate posturing Seizures Flaccidity Fixed dilated pupils Respiratory arrest Focal neurologic findings usually are not present.[] There is decorticate (flexor) posturing with intact pupillary light reflexes. . . . . .[]

  • Bickerstaff Brainstem Encephalitis

    It may result in apnoea and a reversible brain death picture. Differential diagnosis [ 7 ] Multiple sclerosis . Behçet's disease . Lyme disease .[] Case of Bickerstaff brainstem encephalitis associated with spindle coma and decorticate posture . Rinsho Shinkeigaku 2012; 52 :656–9 [ PubMed ] 11.[] […] should be confirmed with the [...] consent of the deceased family and those closest to them once they are in receipt of a document confirming brain stem death.[]

  • Traumatic Brain Injury

    Brain death (BD) triggers a series of pathophysiological events similar to multiple-organ dysfunction.[] Symptoms in severe traumatic brain injury include: Absent, diminished, or unbalanced pupil reaction Hemiparesis Decerebrate or decorticate posturing Bradypnea, apnea, or fixed[] posturing (abnormal flexion) Responds to pain with decorticate posturing (abnormal flexion) 3 Responds to pain with decerebrate posturing (abnormal extension) Responds to[]

  • Hyperventilation

    Extreme pain can occur and if a nitrogen gas bubble occurs in the brain, death can occur. Climbing to 25,000 feet makes the possibility of the bends even more so.[] Only if active seizures, or signs of transtentorial herniation such as fixed or asymmetric pupils, neurologic posturing (decerebrate or decorticate), Cushing's reflex (hypertension[]

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