asterixis

Medical Dictionary

asterixis as·ter·ix·is (ās'tə-rĭk'sĭs)
n.
An abnormal tremor consisting of involuntary jerking movements, especially in the hands, frequently occurring with impending hepatic coma and other forms of metabolic encephalopathy. Also called flapping tremor.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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