11 results
Patterns of Liver Injury
Transaminase Levels:
  > 50x normal - Ischemic Hepatitis
  > 20x normal
Patterns of Liver ... Injury Transaminase ... 20x normal - Acute ... normal - Infection (EBV ... #Injury #hepatology
Drug Induced Liver Injury (DILI) - Stepwise Diagnosis Algorithm
DILI suspicion
Features toxic aetiology: Skin involvement, Kidney injury,
Stepwise Diagnosis Algorithm ... EBV, CMV), Alcohol-related ... Hepatic ischaemia ... dechallenge • Acute ... #Algorithm #hepatology
Elevated Lactate Dehydrogenase (LDH) - Differential Diagnosis Framework

LDH is a cytoplasmic enzyme present in tissues throughout
Elevated Lactate ... RBCs, muscle, liver ... hepatitisIschemic ... hepatitisAcute ... hepatitis (ALT-to-LDH
Causes of Acute Liver Injury - Differential Diagnosis
Hepatocellular - Liver Parenchyma
 • Infectious: Hepatitis C, A,
Liver Injury - Differential ... : Alcohol, Medication ... Medication, Pregnancy, Alcoholic ... #Injury #Differential ... #algorithm #hepatology
Acute Liver Injury - Differential Diagnosis Algorithm

Vascular Causes of Acute Liver Injury: 
 • Hepatic vein:
Acute Liver Injury ... , HBV, HCV, HEV, ... specificity to elevated ... #injury #hepatitis ... #hepatology
Elevated Liver Function Tests (LFTs) - Differential Diagnosis Framework
Mild (<100-500): 
 • NAFLD
 • Cirrhosis
 •
Elevated Liver Function ... Hepatopathy • Acute ... Viral Hepatitis ... injury) • Ischemic ... Differential #Diagnosis #hepatology
Hepatocellular Liver Injury - Differential Diagnosis Framework:
Liver Injury → liver test abnormalities without evidence of liver
Injuryliver ... Drugs (MDMA), Alcohol ... • Vascular: Ischemic ... #Diagnosis #hepatology ... #algorithm #Transaminitis
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
Liver Chemistries - Interpretation of LFTs

R-value: Serum (ALT/ULN ALT) / (Alk phos/ULN ALP)
 • R >
viral hepatitis ... specificity to elevated ... ALT Ratios: • Alcoholic ... muscle, Kidneys • LDH ... #differential #Hepatology
Causes of Lactate Elevation, Lactic Acidosis - Differential Diagnosis

The most common causes of hyperlactatemia are usually:
or renal injury ... cardiac output - Acute ... peritonitis - Acute ... Hypoglycemia - Alcohol ... Injury: • Reduced