Chvostek’s sign
Symptoms
Related diseases
The Chvostek sign is positive when tapping the cheek in the area of the facial nerve causes twitching of the corner of the mouth. This is a nonspecific sign of calcium deficiency.
Source | Author Doctor Nikas Samuolis, reviewed by Prof. Virginijus Šapoka | Vilnius University | Faculty of Medicine | Head of the Department of Internal Medicine, Family Medicine, and Oncology