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  2. Hyperammonemia - Wikipedia

    en.wikipedia.org/wiki/Hyperammonemia

    Hyperammonemia, or high ammonia levels, is a metabolic disturbance characterised by an excess of ammonia in the blood. Severe hyperammonemia is a dangerous condition that may lead to brain injury and death. It may be primary or secondary. Ammonia is a substance that contains nitrogen. It is a product of the catabolism of protein.

  3. Carbamoyl phosphate synthetase I deficiency - Wikipedia

    en.wikipedia.org/wiki/Carbamoyl_phosphate_syn...

    Carbamoyl phosphate synthetase I deficiency (CPS I deficiency) [1] is an autosomal recessive metabolic disorder that causes ammonia to accumulate in the blood due to a lack of the enzyme carbamoyl phosphate synthetase I. Ammonia, which is formed when proteins are broken down in the body, is toxic if the levels become too high.

  4. Transient hyperammonemia of the newborn - Wikipedia

    en.wikipedia.org/wiki/Transient_hyperammonemia...

    This is accomplished by observing urine ketones, organic acids, enzyme levels and activities, and plasma and urine amino acids. [5] Mild Transient Hyperammonemia is diagnosed when ammonia levels are between 40-50 μM, lasts for about 6–8 weeks, and has no related neurological problems.

  5. Ornithine transcarbamylase deficiency - Wikipedia

    en.wikipedia.org/wiki/Ornithine_transcarbamylase...

    This biochemical phenotype (increased ammonia, low citrulline and increased orotic acid) is classic for OTC deficiency, but can also be seen in neonatal presentations of ornithine aminotransferase deficiency. [4] Only severely affected males consistently demonstrate this classic biochemical phenotype. [citation needed]

  6. Ammonia solution - Wikipedia

    en.wikipedia.org/wiki/Ammonia_solution

    Ammonia solution, also known as ammonia water, ammonium hydroxide, ammoniacal liquor, ammonia liquor, aqua ammonia, aqueous ammonia, or (inaccurately) ammonia, is a solution of ammonia in water. It can be denoted by the symbols NH 3 (aq). Although the name ammonium hydroxide suggests a salt with the composition [NH + 4][OH −

  7. Ornithine translocase deficiency - Wikipedia

    en.wikipedia.org/wiki/Ornithine_translocase...

    Ornithine translocase deficiency, also called hyperornithinemia-hyperammonemia-homocitrullinuria (HHH) syndrome, [1] is a rare autosomal recessive [2] urea cycle disorder affecting the enzyme ornithine translocase, which causes ammonia to accumulate in the blood, a condition called hyperammonemia.

  8. Argininemia - Wikipedia

    en.wikipedia.org/wiki/Argininemia

    Argininemia is an autosomal recessive urea cycle disorder where a deficiency of the enzyme arginase causes a buildup of arginine and ammonia in the blood.Ammonia, which is formed when proteins are broken down in the body, is toxic if levels become too high; the nervous system is especially sensitive to the effects of excess ammonia.

  9. Ammonium - Wikipedia

    en.wikipedia.org/wiki/Ammonium

    When ammonia is dissolved in water, a tiny amount of it converts to ammonium ions: H 2 O + NH 3 ⇌ OH − + [NH 4] + The degree to which ammonia forms the ammonium ion depends on the pH of the solution. If the pH is low, the equilibrium shifts to the right: more ammonia molecules are converted into ammonium ions.