LFTs. Liver Function Tests

LFTs explained

EMKF

LFTs Explained

  • LFTs = ‘hepatocellular’ or ‘cholestatic’ arrangement based on the pattern of elevation.
    • Hepatocellular pattern = transaminases >  ALK
  • ALT is generally considered to be more specific to liver damage
  • Magnitude of aminotransferase elevation => guide initial diagnosis: mild (<5x), moderate (5-10x), or marked elevation (>10x)
    • Mild = NAFLD, Drug Induced Liver Injury, Alcohol Induced Liver Injury
    • Moderate = Alcoholic Hepatitis, Biliary Tract Disease
    • Severe = Acute Viral Hepatitis, Ischemic Injury, Acetaminophen Toxicity

 

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