11 results
Elevated Transaminases / Transaminitis - Differential Diagnosis

 • Infectious: HAV, HCV, HEV, EBV, HSV, CMV
 •
Trauma: Shock liver ... • Autoimmune hepatitis ... • Iatrogenic: DILI ... Transaminases #hepatitis ... Diagnosis #causes #hepatology
Elevated Liver Function Tests (LFTs) - Differential Diagnosis Framework
Mild (<100-500): 
 • NAFLD
 • Cirrhosis
 •
Elevated Liver Function ... Chronic Viral Hepatitis ... • Acute Viral Hepatitis ... (>1000): • DILI ... injury) • Ischemic
Patterns of Liver Injury
Transaminase Levels:
  > 50x normal - Ischemic Hepatitis
  > 20x normal
Hepatitis > ... - Acute Viral Hepatitis ... , Toxic Hepatitis ... #Injury #hepatology ... #LFTs #transaminitis
Drug Induced Liver Injury (DILI) - Stepwise Diagnosis Algorithm
DILI suspicion
Features toxic aetiology: Skin involvement, Kidney injury,
EBV, CMV), Alcohol-related ... Hepatic ischaemia ... ascites), Chronic hepatitis ... • Autoimmune hepatitis ... #hepatology
Elevated Liver Enzymes - Differential Diagnosis Algorithm
Severe ALT > 15x ULN
 • Viral
 • Drugs/Toxins
 •
Elevated Liver Enzymes ... Drugs/Toxins • Ischemia ... hepatitis • Drugs ... • Others #LFTs ... #Hepatology #LiverEnzymes
Acute Liver Injury - Differential Diagnosis Algorithm

Vascular Causes of Acute Liver Injury: 
 • Hepatic vein:
Autoimmune: Autoimmune hepatitis ... • Iatrogenic: DILI ... Chronic viral hepatitis ... #injury #hepatitis ... #hepatology
Hepatocellular Liver Injury - Differential Diagnosis Framework:
Liver Injury → liver test abnormalities without evidence of liver
• Infections: Hepatitis ... Drugs (MDMA), Alcohol ... • Vascular: Ischemic ... #algorithm #Transaminitis ... #LFTs #hepatitis
Causes of Acute Liver Injury - Differential Diagnosis
Hepatocellular - Liver Parenchyma
 • Infectious: Hepatitis C, A,
• Infectious: Hepatitis ... NAFLD, Autoimmune hepatitis ... Hepatitis, TPN ... Sepsis, Viral Hepatitis ... #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 ... specificity to elevated ... ALT Ratios: • Alcoholic ... Chronic viral hepatitis
Abnormal Liver Function Tests - Differential Diagnosis Algorithm for Transaminitis
Hepatocellular Pattern (ALT or AST > ALP):
Abnormal Liver Function ... Drugs, Viral, Ischemia ... Burak @kwburak #LFTs ... #Elevated #Abnormal ... #diagnosis #hepatology