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  2. Liver function tests - Wikipedia

    en.wikipedia.org/wiki/Liver_function_tests

    Standard liver tests for assessing liver damage include alanine aminotransferase (ALT), aspartate aminotransferase (AST), and alkaline phosphatase (ALP). Bilirubin may be used to estimate the excretory function of the liver and coagulation tests and albumin can be used to evaluate the metabolic activity of the liver. [6]

  3. AST/ALT ratio - Wikipedia

    en.wikipedia.org/wiki/AST/ALT_ratio

    The proportion of AST to ALT in hepatocytes is about 2.5:1, but because AST is removed from serum by the liver sinusoidal cells twice as quickly (serum half-life t 1/2 = 18 hr) compared to ALT (t 1/2 = 36 hr), so the resulting serum levels of AST and ALT are about equal in healthy individuals, resulting in a normal AST/ALT ratio around 1.

  4. Hyperbilirubinemia in adults - Wikipedia

    en.wikipedia.org/wiki/Hyperbilirubinemia_in_adults

    Extremely high levels of unconjugated bilirubin in plasma enables bilirubin to cross the blood-brain-barrier to reach the brain and central nervous system to impart damage. This is termed kernicterus, or bilirubin encephalopathy. Kernicterus is rare in adults but is prevalent in newborns with underdeveloped blood-brain barriers and lower ...

  5. Jaundice - Wikipedia

    en.wikipedia.org/wiki/Jaundice

    AST levels typically are higher than ALT. This remains the case in most liver disorders except for hepatitis (viral or hepatotoxic). Alcoholic liver damage may have fairly normal ALT levels, with AST 10 times higher than ALT. If ALT is higher than AST, however, this is indicative of hepatitis. Levels of ALT and AST are not well correlated to ...

  6. Hemolytic jaundice - Wikipedia

    en.wikipedia.org/wiki/Hemolytic_jaundice

    Normal Stool analysis Colour of faeces: Darker than normal Complete blood count: Hemoglobin: Decreased [28] Schistocytes: Present Reticulocytes: Increased Serum testing Total serum bilirubin: Increased [27] Conjugated bilirubin: Normal Unconjugated bilirubin: Increased Liver enzymes: Alkaline phosphatase: Normal Aspartate transaminase (AST) Normal

  7. Elevated transaminases - Wikipedia

    en.wikipedia.org/wiki/Elevated_transaminases

    Normal ranges for both ALT and AST vary by gender, age, and geography and are roughly 8-40 U/L (0.14-0.67 μkal/L). [4] Mild transaminesemia refers to levels up to 250 U/L. [ 1 ] Drug-induced increases such as that found with the use of anti-tuberculosis agents such as isoniazid are limited typically to below 100 U/L for either ALT or AST.

  8. Gilbert's syndrome - Wikipedia

    en.wikipedia.org/wiki/Gilbert's_syndrome

    People with GS predominantly have elevated unconjugated bilirubin, while conjugated bilirubin is usually within the normal range or is less than 20% of the total. Levels of bilirubin in GS patients are reported to be from 20 μM to 90 μM (1.2 to 5.3 mg/dl) [38] compared to the normal amount of < 20 μM. GS patients have a ratio of unconjugated ...

  9. Alanine transaminase - Wikipedia

    en.wikipedia.org/wiki/Alanine_transaminase

    Alanine transaminase (ALT), also known as alanine aminotransferase (ALT or ALAT), formerly serum glutamate-pyruvate transaminase (GPT) or serum glutamic-pyruvic transaminase (SGPT), is a transaminase enzyme (EC 2.6.1.2) that was first characterized in the mid-1950s by Arthur Karmen and colleagues. [1]