Chvostek’s Sign and Trousseau’s Sign due to Postoperative Acquired Hypoparathyroidism | NEJM

Chvostek’s sign is the twitching of the facial muscles in response to tapping over the area of the facial nerve. Trousseau’s sign is carpopedal spasm caused by inflating the blood-pressure cuff to a level above systolic pressure for 3 minutes.