Jaundice Conjugated Hyperbilirubinemia Increased AST/ALT AP γ-GT BA Ultrasonography Dilated Bile Ducts Non-Dilated Bile duct ERCP PTC Extrahepatic Bile duct obstruction Hepatobiliary Scintigraphy (99mTC-IDA) PTC Ethanol Chlorpromazine Methyldopa Isoniazid Oxyphenisantin Diphemythydantoin Halotane SMA ANA LKM α – fetoprotein >40ng/ml Liver biopsy Extrahepatic Bile duct atresia Neonatal hepatitis Viral hepatitis Alchohol- or Drug-induced hepatitis Markers: HAV HBV HDV HCV Autoimmune Hepatitis CONJUGATED HYPERBILIRUBENEMIA CHOLESTASIS JAUNDICE
