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The Chvostek sign (/ ˈ k v ɒ s t ɪ k /) 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 sign: František Chvostek: endocrinology: hypocalcemia: tapping over facial nerve elicits abnormal muscle contraction(s) Claybrook sign: Edwin Claybrook: emergency medicine, surgery: blunt abdominal trauma: heart and/or breath sounds heard through abdominal wall indicate rupture of viscus Clutton's joints: Henry Hugh Clutton ...
František Chvostek (German: Franz Chvostek) (/ ˈ k v ɒ s t ɪ k /) (May 21, 1835 – November 16, 1884) was a Czech-Austrian military physician. He is most notable for having described Chvostek's sign [1] which he described in 1876. [2] Chvostek was born in Frýdek-Místek, Moravia. He studied at the medical-surgical Josephs-Akademie where ...
Chvostek sign, a clinical sign of existing nerve hyperexcitability Annabelle Chvostek (born 1973), Canadian singer-songwriter based Milan Chvostek (1932–2018), producer and director
This is now known as the Trousseau sign of latent tetany. [8] Also, tetany can be demonstrated by tapping anterior to the ear, at the emergence of the facial nerve. A resultant twitch of the nose or lips suggests low calcium levels. This is now known as the Chvostek sign. [citation needed]
Trousseau sign of latent tetany is a medical sign observed in patients with low calcium. [1] From 1 to 4 percent of normal patients will test positive for Trousseau's sign of latent tetany. [ 2 ] This sign may be positive before other manifestations of hypocalcemia such as hyperreflexia and tetany , as such it is generally believed to be more ...
Schultze-Chvostek sign: A sign of tetany seen in hypocalcemia, commonly referred to as Chvostek's sign. Schultze's fold: A crescent-shaped amniotic fold. Schultze's placenta: A placenta expelled with the central portion in advance of the periphery.
Citrate is very effective in preventing blood from clotting; however, its use can lead to life-threateningly low calcium levels. This can be detected using the Chvostek's sign or Trousseau's sign. To prevent this complication, calcium is infused intravenously while the patient is undergoing the plasmapheresis; in addition, calcium ...