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

 • Infectious: HAV, HCV, HEV, EBV, HSV, CMV
 •
Transaminitis - Differential ... Metabolic: Wilson Disease ... See Updated Schema ... #Differential # ... Diagnosis #causes #hepatology
Elevated Liver Enzymes - Differential Diagnosis Algorithm
Severe ALT > 15x ULN
 • Viral
 • Drugs/Toxins
 •
Liver Enzymes - Differential ... Drugs/Toxins • Ischemia ... • Cholestatic disease ... • Alcoholic hepatitis ... Others #LFTs #Hepatology
Common Etiologies of Cirrhosis

Inflammation

 - Hepatitis B (15 percent)

 - Hepatitis C (47 percent)

 - Schistosomiasis
Inflammation - Hepatitis ... 15 percent) - Hepatitis ... (Budd-Chiari syndrome ... #Diagnosis #Differential ... #Hepatology #Cirrhosis
Hepatocellular Liver Injury - Differential Diagnosis Framework:
Liver Injury → liver test abnormalities without evidence of liver
• Infections: Hepatitis ... • Vascular: Ischemic ... HELLP, Celiac disease ... #Diagnosis #hepatology ... Transaminitis #LFTs #hepatitis
Hepatomegaly - Differential Diagnosis Algorithm
Malignant
 • Primary Carcinoma
 • Metastases
 • Lymphoma
 • Leukemia
 • Polycythemia
Hepatomegaly - Differential ... Hemochromatosis • Wilson's Disease ... • Budd-Chiari Syndrome ... #Hepatomegaly #Differential ... Algorithm #Causes #Hepatology
Ascites - Differential Diagnosis
Chronic liver disease (cirrhosis or chronic hepatitis) - 80%
Underlying malignancy - 10%
Congestive heart
Ascites - Differential ... Chronic liver disease ... cirrhosis or chronic hepatitis ... Fitz-Hugh-Curtis syndrome ... #Diagnosis #hepatology
Elevated Lactate Dehydrogenase (LDH) - Differential Diagnosis Framework

LDH is a cytoplasmic enzyme present in tissues throughout
Dehydrogenase (LDH) - Differential ... • Ischemic hepatitis ... distinguishes ischemic ... injury • Demand ischemia ... • Tumor lysis syndrome