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Chvostek Sign Illustration and Icon
Chvostek Sign
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Depiction of a bedside exam maneuver for Chvostek’s sign: a clinician taps over the course of the facial nerve anterior to the ear near the zygomatic arch, producing ipsilateral twitching of the orbicularis oculi and upper lip. The finding indicates increased neuromuscular excitability, classically associated with hypocalcemia (e.g., hypoparathyroidism or alkalosis). The subject is an adult woman with blonde hair, and the stimulus is applied using the examiner’s finger to the cheek region.
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