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178 Possible Causes for Hyperammonemia, Respiratory Alkalosis

  • Urea Cycle Disorder

    […] distress * Respiratory alkalosis * Increased blood ammonia level * Failure to thrive * Constant infant crying * Agitation * Hyperactive behavior * Self-injury * Screaming[] It is not indicated for treatment of hyperammonemia.[] Soon after, seizures, hypotonia (poor muscle tone, floppiness), respiratory distress (respiratory alkalosis), and coma may occur.[]

  • Reye Syndrome

    Signs of metabolic derangement include elevated serum amino acid levels, acid-base disturbances (usually with hyperventilation, mixed respiratory alkalosis–metabolic acidosis[] Patients may brought in to the emergency room in seizure due to hyperammonemia and brain edema.[] An initial metabolic acidosis is associated with a compensatory respiratory alkalosis (1,3). The EEG shows diffuse arrhythmic delta activity (1).[]

  • Propionic Acidemia

    Alkalosis Urea cycle disorders Metabolic Profiles Organic and Amino Acid Disorders Metabolic Profiles Organic and Amino Acid Disorders Newborn screening is available dependent[] The patient's hyperammonemia was monitored for 1 week.[] […] chain disorder Ammonia: Lactate Acidosis Ketones: Absent or inappropriately low Fatty acid oxidation defects Acidosis: Absent Respiratory Alkalosis Urea cycle disorders Newborn[]

  • Acute Liver Failure

    Metabolic: Metabolic and respiratory alkalosis may occur early. If shock develops, metabolic acidosis can supervene.[] During the first 2 years of her life, a series of infections with episodes of fever were accompanied by elevated liver enzyme levels, but hyperammonemia, hypoglycemia, coagulopathy[] Continuous renal replacement therapy can help mitigate acid-base and metabolic derangements and control hyperammonemia.[]

  • Ornithine Transcarbamylase Deficiency

    Males usually present in the neonatal period with massively elevated ammonia levels and hyperammonemic coma, encephalopathy and respiratory alkalosis.[] Urea cycle disorders are congenital metabolic disorders that often cause episodic hyperammonemia.[] Later hyperventilation leading to respiratory alkalosis with abnormal posturing and progressive encephalopathy, hypoventilation and respiratory arrest may follow.[]

  • Carbamoyl Phosphate Synthetase Deficiency

    Initial laboratory findings will include respiratory alkalosis which is the earliest objective indication of encephalopathy.[] Hyperammonemia type 3 is a pathogenetically different but clinically similar UCD provoked by NAGS deficiency.[] alkalosis 0001950 Vomiting Throwing up 0002013 Showing of 21 Last updated: 11/1/2018 Making a diagnosis for a genetic or rare disease can often be challenging.[]

  • Hepatic Encephalopathy

    Laboratory abnormalities in hepatic encephalopathy: Blood tests may show abnormal liver chemistry tests , increased blood ammonia level , respiratory alkalosis with central[] Splenorenal shunts are a rare cause of hyperammonemia and hepatic encephalopathy in the absence of cirrhosis.[] Although the true mechanism of hyperammonemia in this case is unclear, we speculate that organic constipation following chronic obstruction of the colon might have played[]

  • Sclerema Neonatorum

    Hypoglycemia, metabolic acidosis, respiratory alkalosis, hyperkalemia, hypocalcemia, and elevated blood urea are common, albeit nonspecific, findings.[] […] are composed of triglycerides. [3, 4 ] Etiology Associated underlying conditions include pneumonia, septicemia, septic shock, hypothermia, metabolic acidosis, transient hyperammonemia[]

  • Hyperornithinemia-Hyperammonemia-Homocitrullinuria Syndrome

    The neonatal presentation usually begins a few days after birth with lethargy, somnolence, refusal to feed, vomiting, tachypnea with respiratory alkalosis, and/or seizures[] Therefore, ornithine loading did not protect this hyperornithinemia-hyperammonemia-homocitrullinuria patient from hyperammonemia induced by amino-nitrogen loading.[] Neonatal onset results in clinical features that include irritability, vomiting, lethargy, seizures, neonatal hypotonia; respiratory alkalosis; hyperammonemia; coma, and death[]

  • Disorder of Ornithine Metabolism

    Males usually present in the neonatal period with massively elevated ammonia levels and hyperammonemic coma, encephalopathy and respiratory alkalosis.[] Classical OTC will present in the newborn males with severe hyperammonemia.[] alkalosis (initially) Treatment Immediate treatment of hyperammonemia is crucial to prevent neurologic damage and avoid associated morbidity and mortality.[]

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