26 results
Bilirubin Metabolism - Pathophysiology
 • Conjugated Bilirubin
 • Unconjugated Bilirubin

By Dr. Khushboo Gala @LouLectures

#Bilirubin #Metabolism #Pathophysiology
Bilirubin Metabolism ... - Pathophysiology ... • Conjugated Bilirubin ... #Metabolism #Pathophysiology ... #hepatology #Liver
Liver Disease in Pregnancy
Intrahepatic Cholestasis of Pregnancy (ICP)
 • Onset/Trimester: 25-32 weeks
 • Typical clinical features:
fold elevation, Bilirubin ... fold elevation, Bilirubin ... but variable ++, Bilirubin ... Disease #Pregnancy #hepatology ... #obstetrics #hepatitis
Biochemistry and Metabolism of Bilirubin
Hemolysis → Hemoglobin → Heme → Biliverdin → Unconjugated Bilirubin (a.k.a. "indirect
Metabolism of Bilirubin ... "indirect bilirubin ... into bile via hepatic ... Biochemistry #Metabolism #pathophysiology ... #hepatology
Elevated Liver Function Tests (LFTs) - Differential Diagnosis Framework
Mild (<100-500): 
 • NAFLD
 • Cirrhosis
 •
Elevated Liver Function ... Chronic Viral Hepatitis ... • Acute Viral Hepatitis ... ) • Non-hepatic ... Differential #Diagnosis #hepatology
Causes of Acute Liver Injury - Differential Diagnosis
Hepatocellular - Liver Parenchyma
 • Infectious: Hepatitis C, A,
• Infectious: Hepatitis ... NAFLD, Autoimmune hepatitis ... Vasculature • Hepatic ... Congestion/CHF • Hepatic ... Acute #algorithm #hepatology
Portal Hypertension - Differential Diagnosis
Portal Pressure = the pressure difference between the pressure in the portal
function: INR, bilirubin ... Cirrhosis/acute hepatitis ... sarcoidosis) • Liver ... metastasis • Fatty liver ... Diagnosis #causes #hepatology
Acute Liver Injury - Differential Diagnosis Algorithm

Vascular Causes of Acute Liver Injury: 
 • Hepatic vein:
Injury: • Hepatic ... Venoocclusive disease • Hepatic ... Chronic viral hepatitis ... #injury #hepatitis ... diagnosis #algorithm #hepatology
Liver Chemistries - Interpretation of LFTs

R-value: Serum (ALT/ULN ALT) / (Alk phos/ULN ALP)
 • R >
Check Acute viral hepatitis ... Check Acute viral hepatitis ... week • Direct bilirubin ... replaced by non-hepatic ... #differential #Hepatology
Liver Chemistry Tests - AST, ALT, Alkaline Phosphatase and Bilirubin Metabolism
AST and ALT:
 • AST: liver
Liver Chemistry ... Phosphatase and Bilirubin ... initial insult Bilirubin ... ASTALT #AlkPhos #Bilirubin ... #Hepatology #Pathophysiology
Hepatobiliary Manifestations of Sickle Cell Disease
Acute sickle cell hepatic crisis:
 • Fever, acute onset RUQ pain,
Acute sickle cell hepatic ... crisis Acute Hepatic ... Liver transplant ... Hepatobiliary #hepatology ... #hepatitis #differential