Chvostek sign

Chvostek sign is the facial twitch obtained by tapping the distribution of the facial nerve in front of the tragus. It is caused by mechanical irritability of peripheral nerves. It is indicative of hypocalcemia and is the most reliable test for hypocalcemia.

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Article information

rID: 7063
System: Head & Neck
Synonyms or Alternate Spellings:
  • Chvostek Sign

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