175 results
Classification of Jaundice
Unconjugated hyperbilirubinemia (predominantly indirect bilirubin)
 • Increased bilirubin production (eg, hemolytic anemias, hemolytic reactions,
Dysfunction - Biliary ... certain drugs, biliary ... industrial toxins) • Biliary ... Choledocholithiasis, biliary ... , carcinoma of biliary
Cholestatic Liver Disease: Primary Biliary Cirrhosis vs Primary Sclerosing Cholangitis

#pathophysiology #pbc #psc #hepatology #comparison
Cholestatic Liver ... Disease: Primary Biliary
Causes of Acute Liver Injury - Differential Diagnosis
Hepatocellular - Liver Parenchyma
 • Infectious: Hepatitis C, A,
hepatitis, Acute biliary ... Thrombus, Vasospasm Cholestatic ... Hepatitis, TB Cholestatic ... Extrahepatic • Biliary
Jaundice - Differential Diagnosis Algorithm
Pre-Hepatic - Unconjugated Hyperbilirubinemia
Increased Production
 • Hemolysis
 • Ineffective Erythropoiesis
 • Hematoma
Decreased
Hepatocellular • Cholestatic ... on Ultrasound Biliary ... Gallstones • Biliary
Liver Function Test (LFTs) Elevation
AST - Cardiac and skeletal muscle, kidney, brain
ALT - More specific for
the liver ALP - Biliary ... ALT ≥ 3x ULN Cholestatic ... pattern ≤2: Cholestatic
Acute Liver Injury - Differential Diagnosis Algorithm

Vascular Causes of Acute Liver Injury: 
 • Hepatic vein:
poisoning, ETOH Cholestatic ... Extrahepatic - Biliary ... Choledocholithiasis, Biliary ... - Obstruction: Biliary ... epithelia: - Cholestasis
Abnormal Liver Function Tests - Differential Diagnosis Algorithm for Transaminitis
Hepatocellular Pattern (ALT or AST > ALP):
def, Wilson's, Cholestatic ... dz Cholestatic ... - CBD stone, Biliary
Alkaline Phosphatase (ALP) Elevation - Differential Diagnosis Algorithm

ALP:
 - Enzymes that catalyze hydrolysis of organic phosphate
of Intrahepatic cholestasis ... - Pruritis - Cholestasis ... Drugs - Primary biliary ... PSC - Other biliary
Primary Biliary Cirrhosis (PBC) - Summary

PBC Epidemiology:
 • Female:Male 9:1
 • Common European descent
 • Age:
Primary Biliary ... bile ducts causes cholestasis ... No extrahepatic biliary ... , Intrahepatic cholestasis ... , Drug-induced cholestasis
Primary Biliary Cirrhosis - Pathophysiology
Environmental Risk Factors: Geographic location, Smoking, Microbial triggers, Xenobiotics, Nail polish
Epigentics Risk
Primary Biliary ... inflammation and biliary ... fibrosis - Cholestasis ... #PBC #Primary #Biliary