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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.
If left untreated, uremia can lead to seizure, coma, cardiac arrest, and death. [28] [29] When the body is unable to process or eliminate ammonia, such as in protein toxicity, this will lead to the build up of ammonia in the bloodstream, causing a condition called hyperammonemia. Symptoms of elevated blood ammonia include muscle weakness and ...
The underlying mechanism is believed to involve the buildup of ammonia in the blood, a substance that is normally removed by the liver. [2] The diagnosis is typically based on symptoms after ruling out other potential causes. [2] [6] It may be supported by blood ammonia levels, an electroencephalogram, or computer tomography (CT scan) of the ...
The syndrome is associated with changes on blood tests such as a high blood ammonia level, low blood sugar level, and prolonged prothrombin time. [2] Often, the liver is enlarged in those who have the syndrome. [2] Prevention is typically by avoiding the use of aspirin in children. [1]
Registered nurse Susan Kane drew blood from Ramirez's arm and noticed an ammonia-like smell coming from the tube. [ 4 ] [ 2 ] [ self-published source ] [ 3 ] Kane passed the tube to Julie Gorchynski, a medical resident , who noticed manila-colored (yellow-brown) crystalized particles floating in the blood.
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In severely affected individuals, ammonia concentrations increase rapidly causing ataxia, lethargy and death without rapid intervention. OTC deficiency is diagnosed using a combination of clinical findings and biochemical testing, while confirmation is often done using molecular genetics techniques.
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