Chvostek's sign | definition of Chvostek's sign by Medical dictionary
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Chvostek's sign [khvos´teks)] (Chvostek-Weiss sign [khvos´tek-vīs´)]) a spasm of the facial muscles elicited by tapping the facial nerve in the region of the parotid gland; seen in tetany.
Chvostek's sign An indication of the hypersensitivity of muscles occurring in conditions of lowered blood calcium. Tapping the branches of the facial nerve in front of the ear with the finger tip causes twitching of the muscles of the face. This is an indication of latent TETANY. (Franz Chvostek, 1835–84, Austrian surgeon).
References in periodicals archive
The peripheral nervous system presentation includes muscle weakness, positive Trousseau sign or Chvostek's sign
, and tetany (5).
We gave intravenous calcium, and did Chvostek's sign
tests to the cheekbone to ascertain low calcium levels.
With no chemistry panel and ionised calcium level we had to rely on physical exam and a positive Chvostek's sign
to diagnose and treat the patient's hypocalcaemia secondary to his metabolic alkalosis.