- GNRs, enterococcus
- Obstructed common bile duct from stone, cancer, stricture, other
- Right/upper abd pain
- Often severe illness
- Charcot's Triad: RUQ pain, F, jaundice
- Reynold's Pentad (more severe): RUQ pain, F, jaundice, hypotension, confusion
- Pain in epigastric area/RUQ