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Liver Function Test 

Test for enzymes that reflect damage to

hepatocytes

Aminnotransferases (ALT and AST):

Levels > 1000 U/L extensive hepatocellular injury (viral

hepatitis, Ischemic Liver disease, Drug or Toxin induced)

In most acute hepatocellular damage ALT > AST

AST:ALT > 2:1 (suggestive) & > 3:1 (highly suggestive)

of (Alcoholic Liver Disease) ALD

Aminotransferases are usually not greatly elevated in

obstructive jaundice

Comments:

Liver – Functions, Disorders and Diagnostic Tests

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