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Ix of Jaundice
Investigations of Jaundice
| Question | Answer |
|---|---|
| Raised unconjugated bilirubin in serum | Pre-hepatic |
| Raised urobilinogen in urine | Pre-hepatic or intrahepatic |
| Raised stercobilinogen in stools | Pre-hepatic |
| No conjugated bilirubin in serum | Pre-hepatic |
| Raised bilirubin (conjugated) in urine | Intrahepatic or post-hepatic |
| Absent or decreased urobilinogen in urine | Post-hepatic |
| Absent or decreased stercobilinogen in stools | Post-hepatic |
| Normal or decreased stercobilinogen in stools | Intrahepatic |
| Normal or raised bilirubin (conjugated) in urine | Intrahepatic |
| Normal or raised urobilinogen in urine | Intrahepatic |
| Increased AST or ALT | Intrahepatic |
| Increased ALP | Post-hepatic |
| Pale stools | Post-hepatic or intrahepatic (if bilirubin secretion is severely impaired) |
| Dark urine | Post-hepatic or intrahepatic (if conjugated bilirubin is increased) |
| Raised bilirubin (conjugated) in serum | Intrahepatic |
| AST raised more than ALT | Chronic alcoholism |
| Raised GGT | Excessive alcohol consumption |