11 results
Liver Enzymes (LFTs) - Causes of Hepatocellular and Cholestatic Liver Injury
Hepatocellular Liver Injury
 • AST/ALT elevation
Liver Enzymes (LFTs ... and Cholestatic Liver ... Liver Injury ... Transaminitis #diagnosis #differential ... #hepatology
Elevated Liver Function Tests (LFTs) - Differential Diagnosis Framework
Mild (<100-500): 
 • NAFLD
 • Cirrhosis
 •
Elevated Liver Function ... (Drug-induced liver ... injury) • Ischemic ... LouLectures #Liver ... Diagnosis #hepatology
Diagnosis and Management of Idiosyncratic Drug-induced Liver Injury (DILI)

DILI Types:
 • Intrinsic - predictable, dose dependent
Idiosyncratic Drug-induced Liver ... Chronic - ongoing ↑ LFTs ... or symptoms of liver ... Drug #induced #Liver ... #differential #
Hepatocellular Liver Injury - Differential Diagnosis Framework:
Liver Injury → liver test abnormalities without evidence of liver
Injury - Differential ... Injuryliver ... Injury Differential ... #Injury #Differential ... Transaminitis #LFTs
Patterns of Liver Injury
Transaminase Levels:
  > 50x normal - Ischemic Hepatitis
  > 20x normal
Patterns of Liver ... #Patterns #Liver ... #Injury #hepatology ... #LFTs #transaminitis ... #differential #
Liver Chemistries - Interpretation of LFTs

R-value: Serum (ALT/ULN ALT) / (Alk phos/ULN ALP)
 • R >
Liver Chemistries ... Interpretation of LFTs ... chemistry #diagnosis #differential ... #Hepatology #transaminitis ... #LFTs #RValue #
Acute-on-Chronic Liver Failure (ACLF) Clinical Guidelines

ACLF = possibly reversible condition in those with CLD (± cirrhosis)
Acute-on-Chronic Liver ... Failure (ACLF) Clinical ... disease, liver ... Injury (DILI) ... Failure #Cirrhosis #Hepatology
Abnormal liver function tests algorithm.
 This figure details the initial response to abnormal liver blood tests.
Abnormal liver function ... derangement of liver ... #LFTs #Abnormal ... #Algorithm #Hepatology ... #Differential #
Acute Fatty Liver of Pregnancy (AFLP)
Pathophysiology:
 • Defect in fetal free fatty acid metabolism products →
Acute Fatty Liver ... hepatocytes → Liver ... malaise) → Acute liver ... Transfer to a liver ... #AFLP #Fatty #Liver
Autoimmune Hepatitis

Clinical Presentation
 - Highly variable clinical presentation, from subclinical disease to acute liver failure.
 -
disease to acute liver ... hepatocellular pattern of liver ... injury, though ... AIH #Diagnosis #Management ... #Hepatology