Jaundice in Adults Flashcards
[T/F]
Bilirubin found in the urine is unconjugated.
F
Measurement of bilirubin: methods
Van den Bergh method: serum bilirubin
Urine dipstick test: urine bilirubin
[T/F]
Unconjugated bilirubin is always bound to albumin in the serum, not found in urine.
T
ALT/AST»_space; ALP
hepatocellular or cholestatic?
Hepatocellular!
ALP»_space; ALT/AST
hepatocellular or cholestatic?
Cholestatic!
Low albumin levels, acute or chronic?
Chronic, such as cirrhosis or cancer
Causes of indirect hyperbilirubinemia
Hemolytic disorders
Drugs
Inherited disorders
Defects in mutation in gene for multiple drug resistance protein 2
Altered excretion of bilirubin into ducts
Dublin-Johnson syndrome
Impaired canalicular export of conjugated bilirubin
Rotor’s syndrome
Hepatocellular causes of jaundice
Viral hepatitis Alcohol hepatitis Toxin/drug-induced Ischemic hepatitis Autoimmune hepatitis
Causes of intrahepatic cholestasis
Viral hepatitis Alcoholic hepatitis Drug toxicity Primary biliary cirrhosis Primary sclerosing cholangitis Vanishing bile duct syndrome Inherited diseases Pregnancy
Causes of extrahepatic cholestasis
Malignancy Benign causes: -choledocholithiasis -postop biliary structure -primary sclerosing cholangitis -chronic pancreatitis -AIDS cholangiopathy -Mirizzi syndrome -parasitic disease