Liver function tests

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Liver function tests

Typical components

  • bilirubin
  • transaminases
    • alanine transaminase (ALT)
    • aspartate transaminase (AST)
  • gamma-gultaryltransferase
  • alkaline phosphatase (alk. phos, ALP)

Other markers of liver function

Patterns

  Acute Chronic
Hepatitic / Parenchymal

↑ ALT ↑ AST

Hep A (B, C, E)

Medication

Ischaemia

 Hep B&C
 

Alcohol

  
Cholestatic

 ↑alk. phos. ↑ gamma- GT

gallstones

Pancreatic tumour

Drugs

primary biliary cirrhosis

primary sclerosing cholangitis
 

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