<prompt> Chvostek sign may be present after what surgery?GastrojejunostomyTotal thyroidectomySubtotal thyroidectomyHellers cardimyotomy  <response>: Ans. b Total thyroidectomyRef: Rajamahendran Long Cases in Surgery In subtotal thyroidectomy injury or damage to blood supply of Parathyroid never happens. It happens only in Total thyroidectomy which manifests as Hypocalcemia on 2-5th POD. Chvostek and Trousseau signs are seen in Early Hypocalcemia 