LFTs Flashcards
↑ ALT (3)
Primary liver disease
Biliary obstruction
Pancreatitis
ALT>AST
Viral hepatitis
AST>ALT
Alcoholic liver disease
↑ ALP (6)
Biliary obstruction Primary liver disease Infiltrative liver disease Bone diseases Hyperparathyroidism Hyperthyroidism
Hepatocellular injury
> 10x increase in ALT + <3x increase in ALP
> 10x increase in ALT + <3x increase in ALP
Hepatocellular injury
Cholestasis
<10x increase in ALT + >3x increase in ALP
<10x increase in ALT + >3x increase in ALP
Cholestasis
What does ALT generally indicate
Hepatocellular injury
What does ALP + GGT generally indicate
Cholestasis
What increases GGT (4)
Biliary epithelial damage
Bile flow obstruction
Alcohol
Phenytoin
Normal urine + normal stools
Pre hepatic cause
Pre hepatic cause
Normal urine + normal stools
Dark urine + normal stools
Hepatic cause
Hepatic cause
Dark urine + normal stools