11 results
Liver Enzymes (LFTs) - Causes of Hepatocellular and Cholestatic Liver Injury
Hepatocellular Liver Injury
 • AST/ALT elevation
Liver Enzymes (LFTs ... Liver Injury Hepatocellular ... Liver Injury ... Liver Injury? ... #differential #hepatology
Diagnosis and Management of Idiosyncratic Drug-induced Liver Injury (DILI)

DILI Types:
 • Intrinsic - predictable, dose dependent
Chronic - ongoing ↑ LFTs ... Mixed DILI • Cholestatic ... Diagnosis #Management #gastroenterology ... #algorithm #gastroenterology ... #hepatology
Liver Function Test (LFTs) Elevation
AST - Cardiac and skeletal muscle, kidney, brain
ALT - More specific for
(LFTs) Elevation ... Hepatocellular injury ... injury Sinai ... #FunctionTest #LFTs ... Transaminitis #diagnosis #hepatology
Hepatocellular Liver Injury - Differential Diagnosis Framework:
Liver Injury → liver test abnormalities without evidence of liver
Injuryliver ... phosphatase) 2) Cholestatic ... Other: NAFLD, Autoimmune ... #Diagnosis #hepatology ... Transaminitis #LFTs
Liver Chemistries - Interpretation of LFTs

R-value: Serum (ALT/ULN ALT) / (Alk phos/ULN ALP)
 • R >
Interpretation of LFTs ... injury < 26 weeks ... hepatocellular injury ... #differential #Hepatology ... transaminitis #LFTs
Acute Liver Injury - Differential Diagnosis Algorithm

Vascular Causes of Acute Liver Injury: 
 • Hepatic vein:
Acute Liver Injury ... Celiac disease • Autoimmune ... : Autoimmune hepatitis ... Acute Liver Injury ... diagnosis #algorithm #hepatology
Causes of Acute Liver Injury - Differential Diagnosis
Hepatocellular - Liver Parenchyma
 • Infectious: Hepatitis C, A,
Injury - Differential ... Other: NAFLD, Autoimmune ... Hepatitis, TB Cholestatic ... #Injury #Differential ... Acute #algorithm #hepatology
Elevated Liver Enzymes - Differential Diagnosis Algorithm
Severe ALT > 15x ULN
 • Viral
 • Drugs/Toxins
 •
Elevated Liver Enzymes ... • Ischemia • Autoimmune ... • Others • Cholestatic ... • Others #LFTs ... #Hepatology #LiverEnzymes
Liver Function Tests (LFTs) - Normal Values and Interpretation

Alanine aminotransferase (ALT/SGPT) - Liver, cardiac & skeletal
(LFTs) - Normal ... , intrahepatic cholestasis ... hepatocellular injury ... Function #Tests #LFTs ... Interpretation #diagnosis #hepatology
Drug Induced Liver Injury (DILI) - Stepwise Diagnosis Algorithm
DILI suspicion
Features toxic aetiology: Skin involvement, Kidney injury,
Injury (DILI) - ... involvement, Kidney injury ... titres, ↑ IgG • Cholestatic ... steatosis • Autoimmune ... #Algorithm #hepatology