Episodic dyskinesias and transient cerebral ischemia

Abstract
We studied four patients who had abnormal involuntary movements, apparently as a manifestation of transient cerebral ischemia. The movements were consistent with hemiballismus or hemichorea. In two patients, carotid atheromas contralateral to the dyskinesias were demonstrated by angiography; in another patient, a cardiac aneurysm was demonstrated by coronary angiography.

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