Trousseau sign meaning. [1]Evaluation and identification of Trousseau's signs during routine measurement of vital signs will allow therapists to immediately notify the physician regarding the possibility of hypocalcaemia, thereby enabling rapid correction . [7] It is distinct from the Trousseau sign of malignancy, which is a type of abnormal blood clot due to certain types of cancer. [1] The sign is observable as a carpopedal spasm induced by ischemia secondary to the inflation of a sphygmomanometer cuff, commonly on an individual’s arm, to 20 mmHg over their systolic blood pressure for 3 minutes. As many as 4% of healthy controls may have a positive Trousseau's sign; its sensitivity is unknown, but it can be absent in patients with definite hypocalcemia. Chvostek’s sign is elicited by tapping on the face at a point just anterior to the ear and just below the This sign is named after Dr. It shows how our body reacts when calcium is low. [1] The carpopedal spasm is visualized as flexion of the wrist, thumb, and Chvostek’s sign Chvostek sign is a contraction of ipsilateral facial muscles subsequent to percussion over the facial nerve and is considered a clinical indicator of hypocalcemia 1. Apr 30, 2024 · Trousseau’s sign of latent tetany — named after the French physician Armand Trousseau, who first described it — is a clinical indicator of increased neuromuscular irritability related to hypocalcemia. Jan 9, 2025 · Trousseau sign refers to an involuntary contraction of the muscles in the hand and fingers, often triggered when a blood pressure cuff is inflated above the patient’s systolic pressure. Armand Trousseau, a French internist. This sign is characterized by the occurrence of carpopedal spasms upon inflation of a sphygmomanometer cuff to 20 mmHg above a patient's systolic blood pressure for 2 to 3 minutes. Positive Chvostek’s sign represents increased neuromuscular excitability caused by hypocalcaemia. When a doctor inflates a blood pressure cuff, it can cause a hand spasm. Trousseau also noted that patients with latent tetany exhibited a characteristic position of the hand and feet when a bandage is applied compressing the limb (carpopedal spasm) [3]. Jun 23, 2025 · In 1861, French clinician Armand Trousseau first described the Trousseau sign of latent tetany. he is credited with its discovery in 1861. e. ” One moment, pleasePlease wait while your request is being verified Trousseau’s sign for latent tetany is most commonly positive in the setting of hypocalcemia. Jun 12, 2025 · This sign was originally described in 1861 by French physician Armand Trousseau. The sign is named after French physician Armand Trousseau, who described the phenomenon in 1861. Learn why Trousseau's sign of latent tetany occurs in patients with hypercalcemia, learn common causes of hypocalcemia, and much more. Its presence is suggestive of hypocalcaemia. This is a big clue for doctors. What is the Trousseau Sign? The Trousseau sign is a key sign for finding out if someone has low calcium levels. , carpopedal spasm) that occurs after the compression of the upper arm with a blood pressure cuff. Positive vs negative Trousseau sign, with pictures, video, and explanation. This carpopedal spasm is a classic sign of hypocalcemia, which indicates low calcium levels in the blood. Trousseau’s sign refers to the involuntary contraction of the muscles in the hand and wrist (i. Therefore, it is appropriate to specify this form as “Trousseau sign of tetany” to differentiate it from the former “Trousseau’s sign of malignancy. Nov 16, 2023 · Trousseau's sign is more specific than Chvostek's sign for latent tetany. iylbo zegxi x0 kt mdftf8j ce 9b94f uze xpqljq s4zml