11 results
Patterns of Liver Injury
Transaminase Levels:
  > 50x normal - Ischemic Hepatitis
  > 20x normal
Patterns of Liver ... 20x normal - Acute ... AST:ALT > 2.5 - Alcoholic ... #Patterns #Liver ... #Injury #hepatology
Causes of Acute Liver Injury - Differential Diagnosis
Hepatocellular - Liver Parenchyma
 • Infectious: Hepatitis C, A,
Causes of Acute ... HSV • Toxic: Alcohol ... , Acute biliary ... Medication, Pregnancy, Alcoholic ... #algorithm #hepatology
Drug Induced Liver Injury (DILI) - Stepwise Diagnosis Algorithm
DILI suspicion
Features toxic aetiology: Skin involvement, Kidney injury,
Skin involvement, Kidney ... HEV, EBV, CMV), Alcohol-related ... Hepatic ischaemia ... dechallenge • Acute ... #hepatology
Acute-on-Chronic Liver Failure (ACLF) Clinical Guidelines

ACLF = possibly reversible condition in those with CLD (± cirrhosis)
Acute-on-Chronic ... Circulation Failure Kidney ... Failure Infections Alcohol-Associated ... Hepatitis (AAH) ... Failure #Cirrhosis #Hepatology
Elevated Liver Enzymes - Differential Diagnosis Algorithm
Severe ALT > 15x ULN
 • Viral
 • Drugs/Toxins
 •
Elevated Liver Enzymes ... Drugs/Toxins • Ischemia ... • NAFLD • Alcohol ... hepatitis • Drugs ... Others #LFTs #Hepatology
Acute Liver Injury - Differential Diagnosis Algorithm

Vascular Causes of Acute Liver Injury: 
 • Hepatic vein:
Acute Liver Injury ... Differential Diagnosis Algorithm ... ALT Ratios: • Alcoholic ... differential #diagnosis #algorithm ... #hepatology
Liver Chemistries - Interpretation of LFTs

R-value: Serum (ALT/ULN ALT) / (Alk phos/ULN ALP)
 • R >
viral hepatitis ... viral hepatitis ... ALT Ratios: • Alcoholic ... Cardiac muscle, Kidneys ... #differential #Hepatology
Hepatocellular Liver Injury - Differential Diagnosis Framework:
Liver Injury → liver test abnormalities without evidence of liver
Drugs (MDMA), Alcohol ... • Vascular: Ischemic ... Differential #Diagnosis #hepatology ... #algorithm #Transaminitis ... #LFTs #hepatitis
Elevated Lactate Dehydrogenase (LDH) - Differential Diagnosis Framework

LDH is a cytoplasmic enzyme present in tissues throughout
RBCs, muscle, liver ... , and kidney • ... hepatitisIschemic ... hepatitisAcute ... fever) • Drugs (alcohol
Serum Ascites Albumin Gradient (SAAG) - Differential Diagnosis
High albumin gradient (>1.1 g/dl):
 - Cirrhosis	
 - Alcoholic
Cirrhosis - Alcoholic ... hepatitis - Cardiac ... Veno-occlusive disease - Acute ... associated with bowel ischemia ... Differential #Diagnosis #hepatology