09 Bilirubin


Bilirubin Metabolism

  • 6 carbon like glucose. Very polar and soluble

  • rising serum conjugated bilirubin can be detected

Hemolysis

Obstruction

  • high conjugated bilirubin, also in urine
  • no stercobilin

Primary Liver Disease

  • fractionating into direct/indirect not helpful

  • unpredictable

Rifampin/Probenecid

Gilbert

Crigler-Najjar

  • babies

Dubin Johnson

  • no pruritus: can excrete bile salts

Rotor

Neonatal Jaundice

Summary