54 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 ... #Injury #hepatology
Causes of Severe Acute Liver Injury
 - Ichemic hepatitis
 - Acute biliary obstruction
 - Drug-Induced liver
Causes of Severe ... Acute Liver Injury ... - Ichemic hepatitis ... #Causes #Differential ... #Hepatology #Diagnosis
Elevated Liver Function Tests (LFTs) - Differential Diagnosis Framework
Mild (<100-500): 
 • NAFLD
 • Cirrhosis
 •
Tests (LFTs) - Differential ... Hepatopathy • Acute ... Viral Hepatitis ... injury) • Ischemic ... #Diagnosis #hepatology
Causes of Acute Liver Injury - Differential Diagnosis
Hepatocellular - Liver Parenchyma
 • Infectious: Hepatitis C, A,
Causes of Acute ... Liver Injury - Differential ... obstruction, HELLP Syndrome ... #Diagnosis #Causes ... #hepatology
Elevated Transaminases / Transaminitis - Differential Diagnosis

 • Infectious: HAV, HCV, HEV, EBV, HSV, CMV
 •
Transaminitis - Differential ... Trauma: Shock liver ... See Updated Schema ... Diagnosis #causes ... #hepatology
Right Upper Quadrant Pain
Liver:
 - Infectious: Acute viral hepatitis, Liver abscess
 - Non-infectious: hepatitis (Alcohol, Medications),
Quadrant Pain Liver ... viral hepatitis ... ), Budd-Chiari syndrome ... #RUQ #Pain #differential ... #diagnosis #causes
Elevated Liver Enzymes - Differential Diagnosis Algorithm
Severe ALT > 15x ULN
 • Viral
 • Drugs/Toxins
 •
Elevated Liver Enzymes ... Drugs/Toxins • Ischemia ... • Alcoholic hepatitis ... Others #LFTs #Hepatology ... Diagnosis #Algorithm #Causes
Hepatocellular Liver Injury - Differential Diagnosis Framework:
Liver Injury → liver test abnormalities without evidence of liver
Injury - Differential ... • Infections: Hepatitis ... • Vascular: Ischemic ... #Diagnosis #hepatology ... Transaminitis #LFTs #hepatitis
Hepatomegaly - Differential Diagnosis Algorithm
Malignant
 • Primary Carcinoma
 • Metastases
 • Lymphoma
 • Leukemia
 • Polycythemia
Hepatomegaly - Differential ... Non-Malignant • Fatty Liver ... • Budd-Chiari Syndrome ... Diagnosis #Algorithm #Causes ... #Hepatology
Elevated Lactate Dehydrogenase (LDH) - Differential Diagnosis Framework

LDH is a cytoplasmic enzyme present in tissues throughout
RBCs, muscle, liver ... hepatitisIschemic ... hepatitisAcute ... distinguishes ischemic ... injury • Demand ischemia