28 results
Patterns of Liver Injury
Transaminase Levels:
  > 50x normal - Ischemic Hepatitis
  > 20x normal
Patterns of Liver ... Injury Transaminase ... #Injury #hepatology ... #LFTs #transaminitis ... #differential #
Elevated Liver Function Tests (LFTs) - Differential Diagnosis Framework
Mild (<100-500): 
 • NAFLD
 • Cirrhosis
 •
Tests (LFTs) - ... Differential Diagnosis ... injury) • Ischemic ... #Differential # ... Diagnosis #hepatology
Causes of Severe Acute Liver Injury
 - Ichemic hepatitis
 - Acute biliary obstruction
 - Drug-Induced liver
of Severe Acute Liver ... Injury - Ichemic ... injury - Viral ... Acute #Causes #Differential ... #Hepatology #Diagnosis
Hepatocellular Liver Injury - Differential Diagnosis Framework:
Liver Injury → liver test abnormalities without evidence of liver
Injury - Differential ... Injuryliver ... Injury Differential ... #Injury #Differential ... Transaminitis #LFTs
Elevated Liver Enzymes - Differential Diagnosis Algorithm
Severe ALT > 15x ULN
 • Viral
 • Drugs/Toxins
 •
Elevated Liver Enzymes ... - Differential ... Drugs/Toxins • Ischemia ... • Alcoholic hepatitis ... • Others #LFTs
Drug Induced Liver Injury (DILI) - Stepwise Diagnosis Algorithm
DILI suspicion
Features toxic aetiology: Skin involvement, Kidney injury,
Injury (DILI) - ... disease, Hepatic ischaemia ... ascites), Chronic hepatitis ... • Autoimmune hepatitis ... #Algorithm #hepatology
Autoantibodies and their Disease Associations
ANA - Non-specific; common in SLE, autoimmune hepatitis
Anti-CCP, Rheumatoid factor - RA
Anti-dsDNA
SLE, autoimmune hepatitis ... Dermatomyositis Anti-LKM (liver ... ) - Autoimmune hepatitis ... disease c-ANCA - Vasculitis ... diagnosis #table #rheumatology
Liver Chemistries - Interpretation of LFTs

R-value: Serum (ALT/ULN ALT) / (Alk phos/ULN ALP)
 • R >
Interpretation of LFTs ... Check Acute viral hepatitis ... chemistry #diagnosis #differential ... #Hepatology #transaminitis ... #LFTs #RValue #
Causes of Bleeding / Bruising - Differential Diagnosis Algorithm
Thrombocytopenia - Quantitative Defect
 • Decreased Production
 •
Bleeding / Bruising - Differential ... Rare • Drugs (e.g ... • Steroids • Vasculitis ... Iatrogenic) • Liver ... Algorithm #Causes #Hematology
Elevated Lactate Dehydrogenase (LDH) - Differential Diagnosis Framework

LDH is a cytoplasmic enzyme present in tissues throughout
Dehydrogenase (LDH) - Differential ... RBCs, muscle, liver ... • Ischemic hepatitis ... tumor burden) Vasculitis ... Dehydrogenase #Elevated #differential