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decerebrate posturing

Etiology: 1) damage to the corticospinal tracts in the midbrain or caudal diencephalon 2) bilateral lesions of the basal forebrain 3) severe metabolic encephalopathy Clinical manifestations: 1) extension of the lower extremities, elbows & wrists 2) shoulder adduction 3) arm pronation

Related

decorticate posturing

General

sign/symptom

References

  1. Harrison's Principles of Internal Medicine, 14th ed. Fauci et al (eds), McGraw-Hill Inc. NY, 1998, pg 128
  2. Medical Knowledge Self Assessment Program (MKSAP) 11, American College of Physicians, Philadelphia 1998