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Decorticate posturing, indicating a lesion at the red nucleus or above. This positioning is stereotypical for upper brain stem, or cortical damage. The other variant is decerebrate posturing, not seen in this picture. Assessment of posture and physique is the next step. It involves general observation about the patient's positioning.
In humans, true decerebrate rigidity is rare since the damage to the brain centers it might be caused by usually are lethal. However, decorticate rigidity can be caused by bleeding in the internal capsule which causes damage to upper motor neurons. The symptoms of decorticate rigidity are flexion in the upper limbs and extension in the lower limbs.
It is sometimes referred to as a "response", to allow for possible conscious cerebral influence of the action. However, hopping and placing reactions, long loop stretch reflexes are probably integrated by the cerebral cortex. Decorticate animals show absence of this reflex.
Abnormal posturing is an involuntary flexion or extension of the arms and legs, indicating severe brain injury.It occurs when one set of muscles becomes incapacitated while the opposing set is not, and an external stimulus such as pain causes the working set of muscles to contract. [1]
Hints and the solution for today's Wordle on Wednesday, January 22.
take (often effectively a noun meaning "prescription"—medical prescription or prescription drug) rep. repetatur: let it be repeated s. signa: write (write on the label) s.a. secundum artem: according to the art (accepted practice or best practice) SC subcutaneous "SC" can be mistaken for "SL," meaning sublingual. See also SQ: sem. semen seed ...
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If you’re stuck on today’s Wordle answer, we’re here to help—but beware of spoilers for Wordle 1312 ahead. Let's start with a few hints.