11 results
Elevated Transaminases / Transaminitis - Differential Diagnosis

 • Infectious: HAV, HCV, HEV, EBV, HSV, CMV
 •
Elevated Transaminases ... Trauma: Shock liver ... • Iatrogenic: DILI ... See Updated Schema ... Diagnosis #causes #hepatology
Drug Induced Liver Injury (DILI) - Stepwise Diagnosis Algorithm
DILI suspicion
Features toxic aetiology: Skin involvement, Kidney injury,
Stepwise Diagnosis Algorithm ... Hepatic ischaemia ... dechallenge • Acute ... #Diagnosis #Algorithm ... #hepatology
Elevated Liver Function Tests (LFTs) - Differential Diagnosis Framework
Mild (<100-500): 
 • NAFLD
 • Cirrhosis
 •
Elevated Liver Function ... Hepatopathy • Acute ... (>1000): • DILI ... injury) • Ischemic ... #Diagnosis #hepatology
Acute Liver Injury - Differential Diagnosis Algorithm

Vascular Causes of Acute Liver Injury: 
 • Hepatic vein:
Acute Liver Injury ... - Differential ... • Iatrogenic: DILI ... specificity to elevated ... #hepatology
Patterns of Liver Injury
Transaminase Levels:
  > 50x normal - Ischemic Hepatitis
  > 20x normal
Patterns of Liver ... 20x normal - Acute ... normal - Infection (EBV ... #Injury #hepatology ... transaminitis #differential
Causes of Acute Liver Injury - Differential Diagnosis
Hepatocellular - Liver Parenchyma
 • Infectious: Hepatitis C, A,
Causes of Acute ... Liver Injury - Differential ... , Acute biliary ... #Injury #Differential ... #algorithm #hepatology
Hepatocellular Liver Injury - Differential Diagnosis Framework:
Liver Injury → liver test abnormalities without evidence of liver
• Infections: Hepatitis ... • Vascular: Ischemic ... #Diagnosis #hepatology ... #algorithm #Transaminitis ... #LFTs #hepatitis
Liver Chemistries - Interpretation of LFTs

R-value: Serum (ALT/ULN ALT) / (Alk phos/ULN ALP)
 • R >
viral hepatitis ... viral hepatitis ... specificity to elevated ... chemistry #diagnosis #differential ... #Hepatology #transaminitis
Elevated Liver Enzymes - Differential Diagnosis Algorithm
Severe ALT > 15x ULN
 • Viral
 • Drugs/Toxins
 •
Elevated Liver Enzymes ... - Differential ... Drugs/Toxins • Ischemia ... • Alcoholic hepatitis ... Others #LFTs #Hepatology
Acute Fatty Liver of Pregnancy (AFLP)
Pathophysiology:
 • Defect in fetal free fatty acid metabolism products →
Acute Fatty Liver ... /AP, ↑INR, ↑BUN/ ... infiltration) Differential ... Diagnosis: Viral Hepatitis ... #Pregnancy #hepatology