<prompt> A child came to the casualty with tetany. what will you do:Inj. PhenytoinInj. PhenobarbitoneInj. Calcium gluconateWait and watch  <response>: Ans: c Inj .calcium gluconate Ref: Nelson, 18th ed, p. 258; OP Ghai, 6th ed, p. 88Hypocalcemia may manifest with jitteriness, tetany, caipopedal spasms, laryngospasm and seizures.Signs of latent tetany1 Trousseaus sign- caipopedal spasm of forearm and hand2 Chovsteks sign- twitching of the orbicularis oculi and mouth by tapping the facial nerve anterior to the external auditory meatus.Management of hypocalcaemiaTetany, laryngospasm and seizures must be treated immediately with 2 mlkg of 10 of calcium gluconate intravenously and upto a maximum of 10 ml.This must be administered slowly under cardiac monitoring. 