Chvostek Sign: What Is It, What Does It Indicate - Osmosis
2023年12月29日 · What is the Chvostek sign? The Chvostek sign is a clinical finding associated with hypocalcemia, or low levels of calcium in the blood. This clinical sign refers to a twitch of the facial muscles that occurs when gently tapping an individual's cheek, in front of the ear.
Chvostek's Sign and Trousseau's Sign due to Postoperative ...
2012年9月17日 · Chvostek's sign is the twitching of the facial muscles in response to tapping over the area of the facial nerve. Trousseau's sign is carpopedal spasm caused by...
Chvostek sign - Wikipedia
The Chvostek sign (/ ˈkvɒstɪk /) is a clinical sign that someone may have a low blood calcium level (a decreased serum calcium, called hypocalcemia). The Chvostek sign is the abnormal twitching of muscles that are activated (innervated) by the facial nerve (also known as Cranial Nerve Seven, or CNVII). [1] .
Chvostek's Sign of Hypocalcemia in Patient Assessments
2023年2月2日 · Chvostek’s sign is the name given to a clinical finding associated with hypocalcemia (low levels of calcium in the blood). It appears as a twitch of the facial muscles following gentle tapping over the facial nerve in front of the ear.
Chvostek Sign - StatPearls - NCBI Bookshelf
2023年5月1日 · The long-accepted explanation is that this resulted from hypocalcemia, and this relationship became known as the Chvostek sign. When corrected for albumin, a calcium level of less than 8.8 mg/dl is considered deficient. [3]
Chvostek sign • LITFL • Medical Eponym Library
2023年12月1日 · Chvostek sign is contraction of facial muscles provoked by lightly tapping over the facial nerve anterior to the ear as it crosses the zygomatic arch. This induces twitching of the homolateral facial muscles due to hyperexcitability of the nerve.
Chvostek’s Sign: Positive vs Negative Sign in Hypocalcemia
Chvostek’s sign is a specific type of facial muscle twitching that occurs when cranial nerve VII (the facial nerve) is manually stimulated by tapping the finger over the masseter muscle of the jaw. A positive sign demonstrates hyper-excitability of the facial nerve.
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