hemiballismus


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hemiballismus

[¦he·mē·bə′liz·məs]
(medicine)
Sudden, violent, spasmodic movements involving particularly the proximal portions of the extremities of one side of the body; caused by a destructive lesion of the contralateral subthalamic nucleus or its neighboring structures or pathways.
References in periodicals archive ?
The second most common cause of hemiballismus following stroke is known to be hyperglycemia (2).
Brain injury following NMS can cause truncal ataxia, limb ataxia, athetosis, hemiballismus, dysmetria, dysarthria, sensory function problems, balance problems, persistent amnesia, difficulties comprehending commands, attention problems, and electroencephalograph or MRI abnormalities.
Hemiballismus, involuntary movements of a sudden, violent and flailing nature are rarely seen.
Since transient "positive" local signs are often encountered as a manifestation of neurologic events associated with a small acute hemorrhage, as illustrated by hemiballismus associated with hemorrhage in the subthalamic nucleus, this case provides substantial support for the concept that central tinnitus might indeed represent a pathologic activation of neural networks of nonspecific auditory perception.
Parkinsonism, dystonia, hemiballismus, choreoathetosis, and oculogyric crises occur in 5-10% of patients with idiopathic hypoparathyroidism17, but are less common in patients with surgical hypoparathyroidism or other causes of hypocalcemia18.