12 results
Patterns of Liver Injury
Transaminase Levels:
  > 50x normal - Ischemic Hepatitis
  > 20x normal
- Ischemic Hepatitis ... - Chronic hepatitis ... AST:ALT > 2.5 - Alcoholic ... Liver #Injury #hepatology ... transaminitis #differential
Elevated Liver Enzymes - Differential Diagnosis Algorithm
Severe ALT > 15x ULN
 • Viral
 • Drugs/Toxins
 •
Elevated Liver Enzymes ... Drugs/Toxins • Ischemia ... • Drugs • AIH ... hepatitis • Drugs ... Others #LFTs #Hepatology
Abnormal Liver Function Tests - Differential Diagnosis Algorithm for Transaminitis
Hepatocellular Pattern (ALT or AST > ALP):
Abnormal Liver Function ... Tests - Differential ... Drugs, Viral, Ischemia ... kwburak #LFTs #Elevated ... #hepatology #LiverFunctionTests
Elevated Liver Function Tests (LFTs) - Differential Diagnosis Framework
Mild (<100-500): 
 • NAFLD
 • Cirrhosis
 •
Elevated Liver Function ... Cirrhosis • Chronic ... Viral Hepatitis ... liver injury) • Ischemic ... #Diagnosis #hepatology
Elevated Lactate Dehydrogenase (LDH) - Differential Diagnosis Framework

LDH is a cytoplasmic enzyme present in tissues throughout
Dehydrogenase (LDH) - Differential ... upon damage • Normal ... • Ischemic hepatitis ... fever) • Drugs (alcohol ... #differential #
Autoimmune Hepatitis

Clinical Presentation
 - Highly variable clinical presentation, from subclinical disease to acute liver failure.
 -
Autoimmune Hepatitis ... - Symptoms of chronic ... IgG typically elevated ... upper limit of normal ... #Management #Hepatology
Drug Induced Liver Injury (DILI) - Stepwise Diagnosis Algorithm
DILI suspicion
Features toxic aetiology: Skin involvement, Kidney injury,
Stepwise Diagnosis Algorithm ... HEV, EBV, CMV), Alcohol-related ... disease, Hepatic ischaemia ... hepatitis fibrosis ... #hepatology
Hepatocellular Liver Injury - Differential Diagnosis Framework:
Liver Injury → liver test abnormalities without evidence of liver
Drugs (MDMA), Alcohol ... • Vascular: Ischemic ... #Diagnosis #hepatology ... #algorithm #Transaminitis ... #LFTs #hepatitis
Acute Liver Injury - Differential Diagnosis Algorithm

Vascular Causes of Acute Liver Injury: 
 • Hepatic vein:
Diagnosis Algorithm ... specificity to elevated ... function may be abnormal ... ALT Ratios: • Alcoholic ... #hepatology
Liver Chemistries - Interpretation of LFTs

R-value: Serum (ALT/ULN ALT) / (Alk phos/ULN ALP)
 • R >
specificity to elevated ... ALT Ratios: • Alcoholic ... > 2 • NASH, Chronic ... chemistry #diagnosis #differential ... #Hepatology #transaminitis