Chvostek sign is seen in: March 2013

Chvostek sign is seen in:
March 2013
a) Hypercalcemia
b) Hypoparathyroidism
c) Insulinoma
d) Diabetes mellitus
Correct Answer - B
Ans. B i.e. Hypoparathyroidism
Idiopathic hypoparathyroidism is associated with:
Genetic syndrome of hypoparathyroidism,

  • Addison’s disease and
    – Mucocutaneous candid iasis
    Pseudohypoparathyroidism: No deficiency of parathormone, but
    target organ (bone and kidney) are unresponsive to its action
    Chvostek’s sign: Contraction of facial muscles, elicited by light
    tapping of the facial nerve
    ECG changes: Prolongation of QT interval