Apr 6, 2014
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CHOREA

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Chorea, or St Vitus’s dance, is the occurrence of short, purposeless involuntary movements of the face, head, hands and feet. Movements are sudden, but the affected person may hold the new posture for several seconds. Chorea is often accompanied by ATHETOSIS, when it is termed choreoathetosis. Choreic symptoms are often due to disease of the basal ganglion in the brain. The withdrawal of phenothiazines may cause the symptoms, as can the drugs used to treat PARKINSONISM. Types of chorea include HUNTINGTON’S CHOREA, an inherited disease, and SYDENHAM’S CHOREA, which is autoimmune. There is also a degenerative form – senile chorea.

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