39 results
Patterns of Liver Injury
Transaminase Levels:
  > 50x normal - Ischemic Hepatitis
  > 20x normal
> 50x normal - Ischemic ... 20x normal - Acute ... AST:ALT = 1 - Ischemia ... , Ischemic Necrosis ... Liver #Injury #hepatology
Causes of Severe Acute Liver Injury
 - Ichemic hepatitis
 - Acute biliary obstruction
 - Drug-Induced liver
Causes of Severe Acute ... Liver Injury - Ichemic ... hepatitis - Acute ... - Wilson disease ... #Differential #Hepatology
Elevated Liver Function Tests (LFTs) - Differential Diagnosis Framework
Mild (<100-500): 
 • NAFLD
 • Cirrhosis
 •
Chronic Viral Hepatitis ... Hepatopathy • Acute ... Viral Hepatitis ... liver injury) • Ischemic ... Differential #Diagnosis #hepatology
Elevated Transaminases / Transaminitis - Differential Diagnosis

 • Infectious: HAV, HCV, HEV, EBV, HSV, CMV
 •
Metabolic: Wilson Disease ... • Autoimmune hepatitis ... See Updated Schema ... Transaminases #hepatitis ... Diagnosis #causes #hepatology
Elevated Lactate Dehydrogenase (LDH) - Differential Diagnosis Framework

LDH is a cytoplasmic enzyme present in tissues throughout
Injury: • Early acute ... hepatitisIschemic ... hepatitisAcute ... distinguishes ischemic ... injury • Demand ischemia
Causes of Acute Liver Injury - Differential Diagnosis
Hepatocellular - Liver Parenchyma
 • Infectious: Hepatitis C, A,
Causes of Acute ... , Acute biliary ... obstruction, HELLP Syndrome ... , Celiac Disease ... #algorithm #hepatology
Elevated Liver Enzymes - Differential Diagnosis Algorithm
Severe ALT > 15x ULN
 • Viral
 • Drugs/Toxins
 •
Drugs/Toxins • Ischemia ... • Cholestatic disease ... • Alcoholic hepatitis ... Others #LFTs #Hepatology
Acute-on-Chronic Liver Failure (ACLF) Clinical Guidelines

ACLF = possibly reversible condition in those with CLD (± cirrhosis)
Acute-on-Chronic ... underlying liver disease ... (DILI) Viral Hepatitis ... Procedures Management ... Failure #Cirrhosis #Hepatology
Hepatocellular Liver Injury - Differential Diagnosis Framework:
Liver Injury → liver test abnormalities without evidence of liver
• Infections: Hepatitis ... • Vascular: Ischemic ... HELLP, Celiac disease ... Differential #Diagnosis #hepatology ... Transaminitis #LFTs #hepatitis
Clinical Diagnosis of Autoimmune Hepatitis
 - Onset of jaundice within prior 8 weeks
 - Ongoing consumption
of Autoimmune Hepatitis ... factors - Possible ischemic ... hepatitis (e.g. ... (Wilson disease ... #Diagnosis #Hepatology