Chvostek's Sign

by Cathy Parkes December 23, 2019

Chvostek's Sign

One sign of hypocalcemia is a positive Chvostek's sign.

How Do You Check for Chvostek's Sign?

You check for the Chovostek's sign by tapping the patient's cheek over the area of the facial nerve.

What is Chvostek's Sign?

When the stimulation of a facial nerve leads to the twitching of the ipsilateral facial muscles it is referred to as the Chvostek’s sign. In other words, it refers to an abnormal reaction to the stimulation of the facial nerve. It can even be something as simple as tapping the facial nerve that will lead to this twitching, which typically occurs with the nose or mouth. When someone portrays Chvostek’s sign, it is also a sign that they could have hypocalcemia. Other clues that someone may have Chvostek’s is if they exhibit symptoms of hypocalcemia, such as patches of dry skin on the face, eczema, or psoriasis.

What is a Positive Chvostek's sign?

When you perform the test of stimulating the facial nerves by tapping them and the ipsilateral contraction of the facial muscles occur, it is a positive Chvostek's sign.

What is a negative Chvostek's sign?

A negative Chvostek’s sign is when the facial nerves are stimulated and no contractions of the facial muscle occur.
If you have any additional questions about Chvostek's sign please let us know!


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