Athetosis

Athetosis: Involuntary writhing movements particularly of the arms and hands.
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AthetosisA condition marked by slow, writhing, involuntary muscle movements.
Basal gangliaA section of the brain responsible for smooth muscular movement.
ChoreaInvoluntary, rapid, jerky movements.
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Tics, spasm, athetosis (slow, writhing motions), chorea (rapid, randomly irregular jerky movements) and dystonia are all different types of dyskinesia.
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The slow sinuous twisting movements of muscles (athetosis) or sustained muscle contraction (dystonia) may be caused by a number of conditions, including cerebral palsy, encephalitis, drug side effects, hepatic encephalopathy, and Huntington's chorea.
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Chorea (Movement - Unpredictable or Jerky)
Choreoathetosis (Movement - Uncontrolled or Slow)
Chorioblastoma (Gestational Trophoblastic Disease) ...
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blindness or visual disturbance
ataxia, unsteady gait
mental retardation with decreasing mental function
dementia (deterioration of ability to think)
seizures
abnormal increased muscle tone or spasm (myoclonus)
movement disorder (choreoathetosis) ...
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Symptoms may worsen during times of emotional stress and typically go away during sleep. Movements can be rapid and jerky (chorea) or writhing (athetosis) or can involve staying in an abnormal position (dystonia).
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