Gastroenterology Book

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Serum Ammonia

Aka: Serum Ammonia, Plasma Ammonia, Blood Ammonia
  1. Labs
    1. Normal: 10-80 ug/dl
    2. Send sample on ice and run without delay
  2. Causes: Increased Serum Ammonia
    1. Hepatic failure
    2. Hepatic Encephalopathy
    3. Cirrhosis
    4. Reye's Syndrome
    5. Portacaval shunt
    6. Inborn Errors of Metabolism
      1. Urea Cycle Disorders
      2. Protein Metabolism Disorders (Organic acidemia)
    7. Medications
      1. Diuretics
      2. Polymixin B
      3. Methicillin
      4. Valproic Acid (Depakote)
        1. See Valproic Acid Toxicity (includes L-Carnitine protocol)
  3. Causes: Decreased Serum Ammonia
    1. Renal Failure
    2. Medications
      1. Neomycin
      2. Lactulose
      3. Tetracycline

Blood ammonia measurement (C0428437)

Concepts Laboratory Procedure (T059)
SnomedCT 269993006, 143923002, 166604007
English blood ammonia (lab test), blood ammonia measurement (lab test), ammonia, blood ammonia measurement, blood ammonia, blood ammonia level, ammonia blood levels, blood ammonia level test, ammonia blood level, Blood ammonia (& level), Blood ammonia (& level) (procedure), Ammonia - blood, Blood ammonia level, Blood ammonia measurement (procedure), Blood ammonia measurement
Spanish medición de amonio en sangre, determinación de nivel de amoníaco en sangre, determinación de nivel de amonio en sangre, medición de amoníaco en sangre, medición de amoníaco en sangre (procedimiento), medición de amonio en sangre (procedimiento)
Sources
Derived from the NIH UMLS (Unified Medical Language System)


Plasma ammonia measurement (C1278131)

Concepts Laboratory Procedure (T059)
SnomedCT 167043002, 144284007, 313952006
English plasma ammonia (lab test), plasma ammonia, plasma ammonia level, Plasma ammonia level (procedure), Plasma Ammonia Test, Plasma ammonia level, Plasma ammonia measurement (procedure), Plasma ammonia measurement
Spanish nivel plasmático de amonio, medición de amoníaco plasmático, medición plasmática de amonio, medición de amoníaco plasmático (procedimiento), medición plasmática de amonio (procedimiento)
Sources
Derived from the NIH UMLS (Unified Medical Language System)


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