Chorea, in general


This is a clinical diagnosis with various underlying causes

Clinical features:

Involuntary, nonrhythmic, rapid, irregular, jerky, purposeless, unpredictable, non-sustained

Investigations to consider: consider as appropriate

Tests: for Wilson’s disease
Tests: for Huntington’s disease
Blood smear: increased acanthocytes (suggests neuroacanthocytosis)
Uric acid in young: Lesch-Nyhan disease

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