11 results
Diagnosis and Management of Idiosyncratic Drug-induced Liver Injury (DILI)

DILI Types:
 • Intrinsic - predictable, dose dependent
Injury (DILI) ... Chronic - ongoing ↑ LFTs ... Calculate R-Value ... • Hepatocellular ... #differential #
Liver Enzymes (LFTs) - Causes of Hepatocellular and Cholestatic Liver Injury
Hepatocellular Liver Injury
 • AST/ALT elevation
Liver Enzymes (LFTs ... Injury Hepatocellular ... Liver Injury ... • R value = (ALT ... #hepatology
Elevated Liver Function Tests (LFTs) - Differential Diagnosis Framework
Mild (<100-500): 
 • NAFLD
 • Cirrhosis
 •
Tests (LFTs) - ... Differential Diagnosis ... (>1000): • DILI ... injury) • Ischemic ... Diagnosis #hepatology
Liver Function Test (LFTs) Elevation
AST - Cardiac and skeletal muscle, kidney, brain
ALT - More specific for
(LFTs) Elevation ... abnormality vs bone Bili ... ALP ≥ 2x ULN R Value ... injury >2 ... Transaminitis #diagnosis #hepatology
Acute Liver Injury - Differential Diagnosis Algorithm

Vascular Causes of Acute Liver Injury: 
 • Hepatic vein:
Acute Liver Injury ... - Differential ... #injury #hepatitis ... #differential # ... diagnosis #algorithm #hepatology
Hepatocellular Liver Injury - Differential Diagnosis Framework:
Liver Injury → liver test abnormalities without evidence of liver
Hepatocellular Liver ... Injury - Differential ... Injuryliver ... Liver Injury Differential ... #Liver #Injury
Causes of Acute Liver Injury - Differential Diagnosis
Hepatocellular - Liver Parenchyma
 • Infectious: Hepatitis C, A,
Injury - Differential ... Diagnosis Hepatocellular ... Celiac Disease Hepatocellular ... #Injury #Differential ... Acute #algorithm #hepatology
Liver Chemistries - Interpretation of LFTs

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

Alanine aminotransferase (ALT/SGPT) - Liver, cardiac & skeletal
(LFTs) - Normal ... Values and Interpretation ... intrahepatic cholestasis, hepatocellular ... injury, genetic ... Interpretation #diagnosis #hepatology
Autoimmune Hepatitis

Clinical Presentation
 - Highly variable clinical presentation, from subclinical disease to acute liver failure.
 -
- Typically hepatocellular ... pattern of liver ... injury, though ... reported (eg AIH-PBC ... #Hepatology