14 results
Liver Enzymes (LFTs) - Causes of Hepatocellular and Cholestatic Liver Injury
Hepatocellular Liver Injury
 • AST/ALT elevation
Liver Injury ... • R value = (ALT ... #Cholestatic #Transaminitis ... #diagnosis #differential ... #hepatology
Abnormal Liver Function Tests - Differential Diagnosis Algorithm for Transaminitis
Hepatocellular Pattern (ALT or AST > ALP):
Abnormal Liver Function ... Tests - Differential ... Algorithm for Transaminitis ... Elevated #Abnormal #Transaminitis ... Algorithm #diagnosis #hepatology
Elevated Liver Function Tests (LFTs) - Differential Diagnosis Framework
Mild (<100-500): 
 • NAFLD
 • Cirrhosis
 •
Tests (LFTs) - Differential ... injury) • Ischemic ... #Tests #LFTs #Differential ... #Diagnosis #hepatology ... #transaminitis
Liver Function Test (LFTs) Elevation
AST - Cardiac and skeletal muscle, kidney, brain
ALT - More specific for
ALP ≥ 2x ULN R Value ... Hepatocellular injury ... 2: Cholestatic injury ... LFTs #Elevation #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 ... #algorithm #Transaminitis
Causes of Acute Liver Injury - Differential Diagnosis
Hepatocellular - Liver Parenchyma
 • Infectious: Hepatitis C, A,
Injury - Differential ... Malignancy, 1° PBC ... , 1° PSC, Cystic ... #Injury #Differential ... Acute #algorithm #hepatology
Patterns of Liver Injury
Transaminase Levels:
  > 50x normal - Ischemic Hepatitis
  > 20x normal
Patterns of Liver ... Injury Transaminase ... #Injury #hepatology ... #LFTs #transaminitis ... #differential #
Acute Liver Injury - Differential Diagnosis Algorithm

Vascular Causes of Acute Liver Injury: 
 • Hepatic vein:
Acute Liver Injury ... - Differential ... , PSC, IgG4, HLH ... #differential # ... diagnosis #algorithm #hepatology
Diagnosis and Management of Idiosyncratic Drug-induced Liver Injury (DILI)

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

R-value: Serum (ALT/ULN ALT) / (Alk phos/ULN ALP)
 • R >
Interpretation of LFTs R-value ... injury < 26 weeks ... hepatocellular injury ... chemistry #diagnosis #differential ... #Hepatology #transaminitis