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Chvostek sign

Pronunciation: kvos'tek

Definition: facial irritability in tetany, unilateral spasm of the orbicularis oculi or oris muscle being excited by a slight tap over the facial nerve just anterior to the external auditory meatus.

Synonym(s): Weiss sign

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© Copyright 2017 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.
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