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Chvostek's sign
In latent tetany, twitching of facial muscles when the facial nerve is tapped anterior to the ear.
Etiology:
- hypocalcemia
- hypomagnesemia
General
sign/symptom
References
Manual of Medical Therapeutics, 28th ed, Ewald &
McKenzie (eds), Little, Brown & Co, Boston, 1995, pg 495.