53 results
Patterns of Liver Injury
Transaminase Levels:
  > 50x normal - Ischemic Hepatitis
  > 20x normal
Patterns of Liver ... #Injury #hepatology ... #LFTs #transaminitis ... #differential # ... diagnosis
Elevated Liver Function Tests (LFTs) - Differential Diagnosis Framework
Mild (<100-500): 
 • NAFLD
 • Cirrhosis
 •
Tests (LFTs) - ... Differential Diagnosis ... injury) • Ischemic ... #Differential # ... Diagnosis #hepatology
Elevated Liver Enzymes - Differential Diagnosis Algorithm
Severe ALT > 15x ULN
 • Viral
 • Drugs/Toxins
 •
Elevated Liver Enzymes ... Drugs/Toxins • Ischemia ... • Pregnancy - AFLP ... • Alcoholic hepatitis ... • Others #LFTs
Abnormal Liver Function Tests - Differential Diagnosis Algorithm for Transaminitis
Hepatocellular Pattern (ALT or AST > ALP):
Abnormal Liver Function ... Tests - Differential ... Drugs, Viral, Ischemia ... Wilsons, Pregnancy - AFLP ... Burak @kwburak #LFTs
Liver Chemistries - Interpretation of LFTs

R-value: Serum (ALT/ULN ALT) / (Alk phos/ULN ALP)
 • R >
Interpretation of LFTs ... #chemistry #diagnosis ... #differential # ... Hepatology #transaminitis ... #LFTs #RValue #
Hepatocellular Liver Injury - Differential Diagnosis Framework:
Liver Injury → liver test abnormalities without evidence of liver
Infections: Hepatitis ... • Vascular: Ischemic ... #Diagnosis #hepatology ... Transaminitis #LFTs ... #hepatitis
Causes of Severe Acute Liver Injury
 - Ichemic hepatitis
 - Acute biliary obstruction
 - Drug-Induced liver
of Severe Acute Liver ... Injury - Ichemic ... - Drug-Induced liver ... Acute #Causes #Differential ... #Hepatology #Diagnosis
Acute Fatty Liver of Pregnancy (AFLP)
Pathophysiology:
 • Defect in fetal free fatty acid metabolism products →
of Pregnancy (AFLP ... infiltration) Differential ... Diagnosis: Viral ... Hepatitis, Preeclampsia ... Pregnancy #hepatology
Acute Liver Injury - Differential Diagnosis Algorithm

Vascular Causes of Acute Liver Injury: 
 • Hepatic vein:
- Differential ... Diagnosis Algorithm ... #differential # ... diagnosis #algorithm ... #hepatology
Liver Disease in Pregnancy
Intrahepatic Cholestasis of Pregnancy (ICP)
 • Onset/Trimester: 25-32 weeks
 • Typical clinical features:
of Pregnancy (AFLP ... #obstetrics #hepatitis ... #comparison #differential ... #diagnosis #icp ... #HELLP #AFLP