Chvostek sign in Hypocalcemia The Chvostek sign is a contraction of ipsilateral facial muscles subsequent to percussion over the facial nerve - is considered a clinical indicator of hypocalcemia. 10 to 20% of people can present this sign with normal serum calcium. Miguel Rivera, MD, FACS @miguel_lando #Chvostek #sign #Hypocalcemia #clinical #video #endocrinology #physicalexam
