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Chvostek-s, Tetany, Trousseau-s
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Chvostek-s, Tetany, Trousseau-s
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Chvostek's, Tetany, Trousseau's Q&AHow to elicit Chvostek's Sign - (correct answer)1. Tell patient to relax facial muscles.
2. Stand in front of patient and tap the facial nerve just anterior to the ear lobe (on the
cheek.)
***CHvostek's think CHEEK***
Positive Chvostek's Sign - (correct answer)Positive result varies from twitching of the lip
at the corner of the mouth to spasm of all facial muscles depending on severity of
hypocalcemia.
What does a positive Chvostek's Sign indicate? - (correct answer)latent tetany causes
by hypocalcemia, hypomagnesemia and metabolic alkalosis.
What is Tetany - (correct answer)a condition marked by intermittent muscular spasms,
caused by malfunction of the parathyroid glands and a consequent deficiency of
calcium.
Trousseau's Sign - (correct answer)Inflate blood pressure cuff above systolic number for
several minutes.
+Positive response = muscular contraction including flexion of the wrist and
metacarpophalangeal joints, hyperextension of the fingers and flexion of the thumb on
the palm. Suggestive of neuromuscular excitability caused by hypocalcemia.
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