A newborn baby presents with shock, hyperkalemia and hypoglycemia. What is the most likely diagnosis: (A) Septicemia, (B) Inborn error of metabolism, (C) Diabetes mellitus, (D) Congenital adrenal hyperplasia
Answer is D. These features of congenital adrenal hyperplasia may due to deficiency of 21-hydroxylase and present with ambiguous genetalia,polyuria,shock,recurrent vomiting and features of sepsis with negative septic screen. Reference : OP Ghai,essential paediatrics,8th edition page no 526