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Kuldeep Vairagi
Kuldeep Vairagiabout 7 years ago

Q. What is Trousseau's sign?

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about 7 years ago

Hand spasm when BP cuff inflated

about 7 years ago

Index finger spasm

about 7 years ago

Trousseau sign of latent tetany is a medical sign observed in patients with low calcium.

about 7 years ago

To elicit the sign, a blood pressure cuff is placed around the arm and inflated to a pressure greater than the systolic blood pressure and held in place for 3 minutes.

about 7 years ago

This will occlude the brachial artery. In the absence of blood flow, the patient's hypocalcemia and subsequent neuromuscular irritability will induce spasm of the muscles of the hand and forearm. The wrist and metacarpophalangeal joints flex, the DIP and PIP joints extend, and the fingers adduct.

about 7 years ago

The sign is also known as main d'accoucheur (French for "hand of the obstetrician") because it supposedly resembles the position of an obstetrician's hand in delivering a baby.

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