# Trousseau's sign

> English word · Proper noun

## Definitions
1. A medical sign observed in patients with low calcium, whereby occlusion of the brachial artery induces spasm of the muscles of the hand and forearm.

## Etymology
Named after French physician Armand Trousseau (1801–1867), who described the phenomenon in 1861.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/trousseau-s-sign