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

DILI Types:
 • Intrinsic - predictable, dose dependent
Idiosyncratic Drug-induced ... Liver Injury (DILI ... Chronic - ongoing ↑ LFTs ... Mixed DILI • Cholestatic ... #hepatology
Elevated Liver Enzymes - Differential Diagnosis Algorithm
Severe ALT > 15x ULN
 • Viral
 • Drugs/Toxins
 •
Elevated Liver Enzymes ... • Viral • Drugs ... • Others • Cholestatic ... • Others #LFTs ... #Hepatology #LiverEnzymes
Liver Chemistries - Interpretation of LFTs

R-value: Serum (ALT/ULN ALT) / (Alk phos/ULN ALP)
 • R >
Interpretation of LFTs ... injury < 26 weeks ... Enzyme Elevation ... #differential #Hepatology ... transaminitis #LFTs
Hepatocellular Liver Injury - Differential Diagnosis Framework:
Liver Injury → liver test abnormalities without evidence of liver
Injuryliver ... phosphatase) 2) Cholestatic ... valproate, azoles), Drugs ... #Diagnosis #hepatology ... Transaminitis #LFTs
Liver Function Tests (LFTs) - Normal Values and Interpretation

Alanine aminotransferase (ALT/SGPT) - Liver, cardiac & skeletal
(LFTs) - Normal ... , intrahepatic cholestasis ... hepatocellular injury ... impaired uptake (drugs ... Interpretation #diagnosis #hepatology