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Chvos·tek's sign | \ (ḵə-)ˌvȯs-ˌtek(s)- 
\
\variants:
or Chvostek sign \ (ḵə-)ˌvȯs-ˌtek- \
\Medical Definition of Chvostek's sign
: a twitch of the facial muscles following gentle tapping over the facial nerve in front of the ear that indicates hyperirritability of the facial nerve
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