10 results
Patterns of Liver Injury
Transaminase Levels:
  > 50x normal - Ischemic Hepatitis
  > 20x normal
Patterns of Liver ... CMV), Alcoholic cirrhosis ... #Patterns #Liver ... #Injury #hepatology ... transaminitis #differential
Liver Chemistry Tests - AST, ALT, Alkaline Phosphatase and Bilirubin Metabolism
AST and ALT:
 • AST: liver
Phosphatase and Bilirubin ... circulates with albumin ... Released from albumin ... Laboratory #Metabolism #ASTALT ... #Hepatology #Pathophysiology
Portal Hypertension - Differential Diagnosis
Portal Pressure = the pressure difference between the pressure in the portal
Hypertension - Differential ... function: INR, bilirubin ... , albumin Post-Hepatic ... /acute hepatitis ... Diagnosis #causes #hepatology
Liver Chemistries - Interpretation of LFTs

R-value: Serum (ALT/ULN ALT) / (Alk phos/ULN ALP)
 • R >
Production: • Albumin ... normal AST/ALT AST ... : < 1 • Cirrhosis ... chemistry #diagnosis #differential ... #Hepatology #transaminitis
Acute Liver Injury - Differential Diagnosis Algorithm

Vascular Causes of Acute Liver Injury: 
 • Hepatic vein:
- Differential ... be abnormal AST ... : < 1 • Cirrhosis ... #differential # ... diagnosis #algorithm #hepatology
Serum Ascites Albumin Gradient (SAAG) - Differential Diagnosis
High albumin gradient (>1.1 g/dl):
 - Cirrhosis	
 - Alcoholic
Gradient (SAAG) - Differential ... >1.1 g/dl): - Cirrhosis ... - Alcoholic hepatitis ... - Acute fatty liver ... #Diagnosis #hepatology
Hepatitis B - Treatment Indications
Treatment not indicated:
 • Immune tolerant state - HBe-Ag detectable, high HBV
Hepatitis B - Treatment ... injury (INR > 2, bilirubin ... mg/dL) or acute liver ... #Indications #management ... #hepatology
Primary Biliary Cirrhosis (PBC) - Summary

PBC Epidemiology:
 • Female:Male 9:1
 • Common European descent
 • Age:
65 years PBC Pathophysiology ... slightly elevated • Bilirubin ... bile ducts Differential ... Diagnosis: • Viral hepatitis ... diagnosis #workup #hepatology
Acute Fatty Liver of Pregnancy (AFLP)
Pathophysiology:
 • Defect in fetal free fatty acid metabolism products →
Pregnancy (AFLP) Pathophysiology ... infiltration) Differential ... Diagnosis: Viral Hepatitis ... #Pregnancy #hepatology ... #pathophysiology
Elevated Globulin - Protein Gap (Total Protein - Albumin > 4)

Work-up of an Elevated Globulin Gap:
•
Sarcoidosis) • Liver ... disease: Cirrhosis ... gastric tumors • Hematology ... Gap #ProteinGap #differential ... #diagnosis #hematology