¹ Source: wiktionary.com
Medical Definition of Hyperammonaemia
1. The presence of ammonia or some of its compounds in the blood, thought to be formed from the decomposition of urea; it usually results in subnormal temperature, weak pulse, gastroenteric symptoms, and coma. Synonym: hyperammonaemia. Origin: ammonia + G. Haima, blood (05 Mar 2000)