14 results
Elevated Liver Function Tests (LFTs) - Differential Diagnosis Framework
Mild (<100-500): 
 • NAFLD
 • Cirrhosis
 •
Tests (LFTs) - ... Differential Diagnosis ... • NAFLD • Cirrhosis ... Diagnosis #hepatology ... #transaminitis
Abnormal Liver Function Tests - Differential Diagnosis Algorithm for Transaminitis
Hepatocellular Pattern (ALT or AST > ALP):
Abnormal Liver Function ... Tests - Differential ... Algorithm for Transaminitis ... Congenital, Others, Cirrhosis ... Burak @kwburak #LFTs
Liver Enzymes (LFTs) - Causes of Hepatocellular and Cholestatic Liver Injury
Hepatocellular Liver Injury
 • AST/ALT elevation
Liver Enzymes (LFTs ... • R value = (ALT ... #Cholestatic #Transaminitis ... #diagnosis #differential ... #hepatology
Patterns of Liver Injury
Transaminase Levels:
  > 50x normal - Ischemic Hepatitis
  > 20x normal
Patterns of Liver ... CMV), Alcoholic cirrhosis ... #Injury #hepatology ... #LFTs #transaminitis ... #differential #
Hepatocellular Liver Injury - Differential Diagnosis Framework:
Liver Injury → liver test abnormalities without evidence of liver
Hemochromatosis, Wilson's disease ... HELLP, Celiac disease ... #Diagnosis #hepatology ... #algorithm #Transaminitis ... #LFTs #hepatitis
Elevated Liver Enzymes - Differential Diagnosis Algorithm
Severe ALT > 15x ULN
 • Viral
 • Drugs/Toxins
 •
Elevated Liver Enzymes ... - Differential ... • Cholestatic disease ... Infiltrative • Cirrhosis ... • Others #LFTs
Liver Chemistries - Interpretation of LFTs

R-value: Serum (ALT/ULN ALT) / (Alk phos/ULN ALP)
 • R >
Interpretation of LFTs ... R-value: Serum ... hepatitis: < 1 • Cirrhosis ... chemistry #diagnosis #differential ... #Hepatology #transaminitis
Primary Biliary Cirrhosis (PBC) - Summary

PBC Epidemiology:
 • Female:Male 9:1
 • Common European descent
 • Age:
Primary Biliary Cirrhosis ... /Liver failure ... or higher • Liver ... bile ducts Differential ... diagnosis #workup #hepatology
Diagnosis and Management of Idiosyncratic Drug-induced Liver Injury (DILI)

DILI Types:
 • Intrinsic - predictable, dose dependent
Chronic - ongoing ↑ LFTs ... disease 6-9 mo ... Calculate R-Value ... Idiosyncratic #differential ... gastroenterology #hepatology
Autoantibodies and their Disease Associations
ANA - Non-specific; common in SLE, autoimmune hepatitis
Anti-CCP, Rheumatoid factor - RA
Anti-dsDNA
Dermatomyositis Anti-LKM (liver ... Primary biliary cirrhosis ... (PBC) Anticentromere ... Endomyseal antibody (EMA ... diagnosis #table #rheumatology