<prompt> The immediate treatment of 10 kg weight infants presented with tetany:IV DiazepamIV calcium gluconate with cardiac monitoringIV slow phenobarbitoneWait and watch  <response>: IV, Calcium gluconate with cardiac monitoring 178-G 486-87-Ghai 7thHypocalcemia S. calcium less than 7 mgdL S. phosphate level may be elevated ECG - QTc interval is prolonged X-ray -congenital absence of thymus Calcium gluconate 2 mlkg of 10 solution is advised IV slowly to control the seizure, ECG monitoring is necessary during calcium infusion. Feeds should be low in phosphate, cow milk feeds should be replaced with breast feeding. 