9 results
Elevated Liver Function Tests (LFTs) - Differential Diagnosis Framework
Mild (<100-500): 
 • NAFLD
 • Cirrhosis
 •
• NAFLD • Cirrhosis ... Hepatopathy • Acute ... (>1000): • DILI ... injury) • Ischemic ... #transaminitis
Patterns of Liver Injury
Transaminase Levels:
  > 50x normal - Ischemic Hepatitis
  > 20x normal
Patterns of Liver ... 20x normal - Acute ... CMV), Alcoholic cirrhosis ... #Injury #hepatology ... #LFTs #transaminitis
Abnormal Liver Function Tests - Differential Diagnosis Algorithm for Transaminitis
Hepatocellular Pattern (ALT or AST > ALP):
Abnormal Liver Function ... Drugs, Viral, Ischemia ... Wilsons, Pregnancy - AFLP ... Congenital, Others, Cirrhosis ... #hepatology #LiverFunctionTests
Elevated Transaminases / Transaminitis - Differential Diagnosis

 • Infectious: HAV, HCV, HEV, EBV, HSV, CMV
 •
Trauma: Shock liver ... • Iatrogenic: DILI ... See Updated Schema ... Differential #Diagnosis #causes ... #hepatology
Acute Liver Injury - Differential Diagnosis Algorithm

Vascular Causes of Acute Liver Injury: 
 • Hepatic vein:
Acute Liver Injury ... Vascular Causes ... of Acute Liver ... : < 1 • Cirrhosis ... #hepatology
Drug Induced Liver Injury (DILI) - Stepwise Diagnosis Algorithm
DILI suspicion
Features toxic aetiology: Skin involvement, Kidney injury,
Stepwise Diagnosis Algorithm ... for alternative causes ... disease, Hepatic ischaemia ... dechallenge • Acute ... #hepatology
Liver Chemistries - Interpretation of LFTs

R-value: Serum (ALT/ULN ALT) / (Alk phos/ULN ALP)
 • R >
viral hepatitis ... viral hepatitis ... : < 1 • Cirrhosis ... #differential #Hepatology ... #transaminitis
Elevated Liver Enzymes - Differential Diagnosis Algorithm
Severe ALT > 15x ULN
 • Viral
 • Drugs/Toxins
 •
Elevated Liver Enzymes ... Drugs/Toxins • Ischemia ... • Pregnancy - AFLP ... • Alcoholic hepatitis ... #Causes
Acute Fatty Liver of Pregnancy (AFLP)
Pathophysiology:
 • Defect in fetal free fatty acid metabolism products →
Acute Fatty Liver ... of Pregnancy (AFLP ... = nonspecific (nausea ... Diagnosis: Viral Hepatitis ... Pregnancy #hepatology