The general medical examination provides useful diagnostic information in patients with hypokinesia and hyperkinesia. The skin examination in patients with Parkinson's disease shows seborrhea, scaly skin, and often patches of excessive dryness. Increased salivation and drooling are typical. The eyes should be examined in patients with movement disorders to detect the presence of Kayser-Fleischer rings or copper deposits in the cornea (Wilson's disease), and proptosis and lid-lag suggests hyperthyroidism, which is frequently associated with chorea or postural tremors.
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