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| | THE MERCK MANUAL, Sec. 19, Ch. 271, Neurologic Disorders |
 | | With quadriplegia, an associated corticobulbar impairment of oral, lingual, and palatal movement, with consequent dysarthria, is common. |
 | | Athetoid or dyskinetic syndromes occur in about 20% of cases and result from basal ganglia involvement. |
 | | Slow, writhing, involuntary movements may affect the extremities (athetoid) or the proximal parts of the limbs and the trunk (dystonic); abrupt, jerky, distal movements (choreiform) also may occur. |
| www.merck.com /mrkshared/mmanual/section19/chapter271/271b.jsp (861 words) |
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