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decerebrate rigidity


Definition: a postural change that occurs in some comatose patients, consisting of episodes of opisthotonos, rigid extension of the limbs, internal rotation of the upper extremities, and marked plantar flexion of the feet; produced by a variety of metabolic and structural brain disorders.

Synonym(s): decerebrate state

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.