- SYN: ammonemia.
* * *hy·per·am·mo·ne·mia .hī-pə-.ram-ə-'nē-mē-ə also hy·per·am·mon·i·emia .hī-pə-rə-.mō-nē-'yē-mē-ə or chiefly Brit hy·per·am·mo·nae·mia also hy·per·am·mon·i·ae·mia n the presence of an excess of ammonia in the bloodhy·per·am·mo·ne·mic or chiefly Brit hy·per·am·mo·nae·mic .hī-pe-.ram-ə-'nē-mik adj
* * *hy·per·am·mo·ne·mia (hi″pər-am″o-neґme-ə) elevated levels of ammonia or its compounds in the blood, such as in congenital conditions including disturbances in the urea cycle, or in severe liver disease; some cases are due to an inherited metabolic disorder. Symptoms include lethargy, vomiting, apnea, and irritability, progressing to encephalopathy with seizures and coma. Called also ammonemia.
Medical dictionary. 2011.