<prompt> Hypocalcemia in child -All except?Digeorge syndromeHypo parathyroidismMagnesium deficiencyAll of above  <response>: Ans. is d i.e., All of above Causes of hypocakemia Hypo parathyroidism Digeorge syndrome PTH receptor defect pseudo hypoparathyroidism Magnesium dificiency Exogenous organic phosphate excess Vit D difeciency 