12 results
Elevated Transaminases / Transaminitis - Differential Diagnosis

 • Infectious: HAV, HCV, HEV, EBV, HSV, CMV
 •
Trauma: Shock liver ... obstruction syndrome • Autoimmune ... hepatitis • Iatrogenic ... Transaminases #hepatitis ... Diagnosis #causes #hepatology
Patterns of Liver Injury
Transaminase Levels:
  > 50x normal - Ischemic Hepatitis
  > 20x normal
Hepatitis > ... - Acute Viral Hepatitis ... , Toxic Hepatitis ... #Injury #hepatology ... #LFTs #transaminitis
Elevated Liver Function Tests (LFTs) - Differential Diagnosis Framework
Mild (<100-500): 
 • NAFLD
 • Cirrhosis
 •
Elevated Liver Function ... Chronic Viral Hepatitis ... • Acute Viral Hepatitis ... injury) • Ischemic ... Differential #Diagnosis #hepatology
Elevated Liver Enzymes - Differential Diagnosis Algorithm
Severe ALT > 15x ULN
 • Viral
 • Drugs/Toxins
 •
Elevated Liver Enzymes ... Drugs/Toxins • Ischemia ... • Autoimmune ... • Alcoholic hepatitis ... • Others #LFTs
Drug Induced Liver Injury (DILI) - Stepwise Diagnosis Algorithm
DILI suspicion
Features toxic aetiology: Skin involvement, Kidney injury,
, HBV, HCV, HEV, ... Hepatic ischaemia ... ascites), Chronic hepatitis ... hepatitis #DILI ... #hepatology
Hepatocellular Liver Injury - Differential Diagnosis Framework:
Liver Injury → liver test abnormalities without evidence of liver
• Infections: Hepatitis ... • Vascular: Ischemic ... Other: NAFLD, Autoimmune ... #algorithm #Transaminitis ... #LFTs #hepatitis
Causes of Acute Liver Injury - Differential Diagnosis
Hepatocellular - Liver Parenchyma
 • Infectious: Hepatitis C, A,
• Infectious: Hepatitis ... hepatitis, Acute ... Pregnancy, Alcoholic Hepatitis ... Sepsis, Viral Hepatitis ... #hepatology
Acute Liver Injury - Differential Diagnosis Algorithm

Vascular Causes of Acute Liver Injury: 
 • Hepatic vein:
, HBV, HCV, HEV, ... : Autoimmune hepatitis ... Chronic viral hepatitis ... #injury #hepatitis ... #hepatology
Autoimmune Hepatitis

Clinical Presentation
 - Highly variable clinical presentation, from subclinical disease to acute liver failure.
 -
Autoimmune Hepatitis ... IgG typically elevated ... Other Etiology of Hepatitis ... #Hepatitis #AIH ... Diagnosis #Management #Hepatology
Liver Chemistries - Interpretation of LFTs

R-value: Serum (ALT/ULN ALT) / (Alk phos/ULN ALP)
 • R >
Check Acute viral hepatitis ... Check Acute viral hepatitis ... specificity to elevated ... Chronic viral hepatitis ... #differential #Hepatology