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Chorea 

Author(s):

Ivan Donaldson

, C. David Marsden

, Susanne A. Schneider

, and Kailash P. Bhatia

Page of

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date: 06 June 2020

Chorea is a disorder characterized by involuntary brief jerky movements, which appear at random in the affected body part or parts. The movements are sometimes described as being semi purposeful because they may mimic a fragment of normal motor activity, commonly of the automatic but voluntary kind. Thus, individual choreic movements may resemble winking, smiling, grimacing, shrugging, gesturing, or the like. They are characterized by their rapidly and continually changing nature so that they occur at irregular intervals in a variety of sites within the affected part.

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