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Common metabolic causes of Hyperammonemia

1 THAN - Transient Hyperammonemia of Neonate
2 PCD - Pyruvate Carboxylase Deficiency
3 OA - Organic Acidemias

4 FAOD - Fatty Acid Oxidation Defects
5 HHH - Hyperorithinemia Hyperammonemia Homocitrullinuria Syndrome
6 CPS1 - Carbamoyl Phosphate Synthetase 1

7 NAGS - N-Acetylglutamate Synthase

8 OTC - Ornithine Transcarbamylase

References:

  1. Broomfield & Walter. Treatment of hyperammonemia in the newborn. Eur Paediatr 2008:36-39. 
  2. Summar M, Tuchman M. Proceedings of a consensus for the management of patients with urea cycle disorders. J Pediatr. 2001;138(1 Suppl):S6-10.

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