Right Upper Quadrant Pain Liver: - Infectious: Acute viral hepatitis, Liver abscess - Non-infectious: hepatitis (Alcohol, Medications), Hepatic congestion (e.g. heart failure), Budd-Chiari syndrome Biliary: - Infectious: Acute cholecystitis, Acute cholangitis (a.k.a. "ascending cholangitis") - Non-infectious: Gallstones (a.k.a. "biliary colic"), Choledocholithiasis Other: RLL Pneumonia, Subdiaphragmatic abscess #RUQ #Pain #differential #diagnosis #causes #abdominalpain #right #upper #quadrant
