9 results
Causes of Severe Acute Liver Injury
 - Ichemic hepatitis
 - Acute biliary obstruction
 - Drug-Induced liver
Liver Injury ... - Acute biliary ... Drug-Induced liver injury ... #Causes #Differential ... #Hepatology #Diagnosis
Elevated Liver Function Tests (LFTs) - Differential Diagnosis Framework
Mild (<100-500): 
 • NAFLD
 • Cirrhosis
 •
Function Tests (LFTs ... ) - Differential ... Hepatopathy • Acute ... Drug-induced liver injury ... Diagnosis #hepatology
Liver Chemistries - Interpretation of LFTs

R-value: Serum (ALT/ULN ALT) / (Alk phos/ULN ALP)
 • R >
Interpretation of LFTs ... • Near normal ... liver #chemistry #diagnosis ... #differential # ... Hepatology #transaminitis
Elevated Liver Enzymes - Differential Diagnosis Algorithm
Severe ALT > 15x ULN
 • Viral
 • Drugs/Toxins
 •
• Pregnancy - AFLP ... • Alcoholic hepatitis ... Duct Stone • Biliary ... • Others #LFTs ... #Hepatology #LiverEnzymes
Acute Liver Injury - Differential Diagnosis Algorithm

Vascular Causes of Acute Liver Injury: 
 • Hepatic vein:
Acute Liver Injury ... - Differential ... Diagnosis Algorithm ... #hepatitis #differential ... #hepatology
Causes of Acute Liver Injury - Differential Diagnosis
Hepatocellular - Liver Parenchyma
 • Infectious: Hepatitis C, A,
Liver Injury - Differential ... Diagnosis Hepatocellular ... , Acute biliary ... #Differential # ... #hepatology
Patterns of Liver Injury
Transaminase Levels:
  > 50x normal - Ischemic Hepatitis
  > 20x normal
Patterns of Liver Injury ... > 20x normal - Acute ... #hepatology #LFTs ... transaminitis #differential ... #diagnosis
Acute Fatty Liver of Pregnancy (AFLP)
Pathophysiology:
 • Defect in fetal free fatty acid metabolism products →
Acute Fatty Liver ... Antithrombin Ill • Ultrasound ... infiltration) Differential ... Hepatitis, Preeclampsia ... Liver #Pregnancy #hepatology
Abnormal liver function tests algorithm.
 This figure details the initial response to abnormal liver blood tests.
include extrahepatic biliary ... mellitus; USS, ultrasound ... #LFTs #Abnormal ... #Algorithm #Hepatology ... Liver #Enzymes #Differential