Diagnostic finding
Chvostek's sign
A clinical sign of neuromuscular hyperexcitability in which tapping over the facial nerve just anterior to the ear elicits ipsilateral contraction or twitching of facial muscles.
Causes
Hypocalcemia
Hypoparathyroidism
Vitamin D deficiency
Hypomagnesemia
Hyperventilation (respiratory alkalosis lowering free calcium)
Also known as: Facial nerve sign, Schultze sign, Weiss sign
Referencing diagnoses
- Celiac disease
- Hypocalcemia
- Hypomagnesemia
- Hypoparathyroidism
- Respiratory alkalosis
- Whipple's disease
Note: Lists existing diagnoses in Diagnotize only.