36 results
Patterns of Liver Injury
Transaminase Levels:
  > 50x normal - Ischemic Hepatitis
  > 20x normal
Patterns of Liver ... 2-5x normal - Hemolysis ... #Injury #hepatology ... #LFTs #transaminitis ... #differential #
Elevated Liver Function Tests (LFTs) - Differential Diagnosis Framework
Mild (<100-500): 
 • NAFLD
 • Cirrhosis
 •
Tests (LFTs) - ... Differential Diagnosis ... injury) • Ischemic ... #Differential # ... Diagnosis #hepatology
Liver Enzymes (LFTs) - Causes of Hepatocellular and Cholestatic Liver Injury
Hepatocellular Liver Injury
 • AST/ALT elevation
Liver Enzymes (LFTs ... Liver Injury ... #Enzymes #LFTs ... Transaminitis #diagnosis #differential ... #hepatology
Liver Function Test (LFTs) Elevation
AST - Cardiac and skeletal muscle, kidney, brain
ALT - More specific for
(LFTs) Elevation ... ) vs Indirect (Hemolytic ... Hepatocellular injury ... #FunctionTest #LFTs ... Transaminitis #diagnosis #hepatology
Hepatocellular Liver Injury - Differential Diagnosis Framework:
Liver Injury → liver test abnormalities without evidence of liver
Injury - Differential ... Injuryliver ... Injury Differential ... #Injury #Differential ... #Diagnosis #hepatology
Causes of Severe Acute Liver Injury
 - Ichemic hepatitis
 - Acute biliary obstruction
 - Drug-Induced liver
of Severe Acute Liver ... Injury - Ichemic ... injury - Viral ... Acute #Causes #Differential ... #Hepatology #Diagnosis
Pancytopenia - Differential Diagnosis Algorithm
 • 12-13 g/dL,
 • ANC < 1800/uL,
 • platelet < 150,000/uL

Initial
/uL Initial Workup ... reticulocyte count, LFTs ... ↑ Destruction (hemolysis ... Diagnosis #Algorithm #hematology ... #workup
Diagnosis and Management of Idiosyncratic Drug-induced Liver Injury (DILI)

DILI Types:
 • Intrinsic - predictable, dose dependent
Injury (DILI) ... dose dependent injury ... Chronic - ongoing ↑ LFTs ... #differential # ... gastroenterology #hepatology
Liver Chemistries - Interpretation of LFTs

R-value: Serum (ALT/ULN ALT) / (Alk phos/ULN ALP)
 • R >
Interpretation of LFTs ... Bilirubin: RBC (hemolysis ... #diagnosis #differential ... #Hepatology #transaminitis ... #LFTs #RValue #
Liver Function Tests (LFTs) - Normal Values and Interpretation

Alanine aminotransferase (ALT/SGPT) - Liver, cardiac & skeletal
(LFTs) - Normal ... hepatocellular injury ... Overproduction (hemolysis ... Function #Tests #LFTs ... Interpretation #diagnosis #hepatology