Chvostek's sign is elicited by:
Chvostek sign This can be elicited by tapping over the facial nerve when it is entering into the parotid gland. This will cause twitching of facial musculature. The sign is referred to as Chvostek sign. It is seen in patients with hypocalcemia due to irritability of nerves But it can be seen in ~10% of normal individuals also
Facial nerve stimulation by tapping over the parotid
BP cuff in arm for 5 minutes
Tapping over extensor policies brevis
Tapping over flexor retinaculum
Disorders of Parathyroid Gland