13 results
Liver Enzymes (LFTs) - Causes of Hepatocellular and Cholestatic Liver Injury
Hepatocellular Liver Injury
 • AST/ALT elevation
Liver Enzymes (LFTs ... Liver Injury ... • R value = (ALT ... #differential # ... hepatology
Elevated Liver Function Tests (LFTs) - Differential Diagnosis Framework
Mild (<100-500): 
 • NAFLD
 • Cirrhosis
 •
Tests (LFTs) - ... Differential Diagnosis ... Hepatopathy • Acute ... injury) • Ischemic ... Diagnosis #hepatology
Diagnosis and Management of Idiosyncratic Drug-induced Liver Injury (DILI)

DILI Types:
 • Intrinsic - predictable, dose dependent
Diagnosis and Management ... Chronic - ongoing ↑ LFTs ... Calculate R-Value ... #differential # ... gastroenterology #hepatology
Causes of Acute Liver Injury - Differential Diagnosis
Hepatocellular - Liver Parenchyma
 • Infectious: Hepatitis C, A,
Liver Injury - Differential ... Diagnosis Hepatocellular ... Toxic: Medication, Pregnancy ... #Injury #Differential ... #hepatology
Patterns of Liver Injury
Transaminase Levels:
  > 50x normal - Ischemic Hepatitis
  > 20x normal
> 20x normal - Acute ... #Injury #hepatology ... #LFTs #transaminitis ... #differential # ... diagnosis
Acute Fatty Liver of Pregnancy (AFLP)
Pathophysiology:
 • Defect in fetal free fatty acid metabolism products →
Acute Fatty Liver ... of Pregnancy (AFLP ... : • Defect in fetal ... infiltration) Differential ... #Pregnancy #hepatology
Liver Chemistries - Interpretation of LFTs

R-value: Serum (ALT/ULN ALT) / (Alk phos/ULN ALP)
 • R >
Interpretation of LFTs ... R-value: Serum ... #chemistry #diagnosis ... #differential # ... Hepatology #transaminitis
Acute Liver Injury - Differential Diagnosis Algorithm

Vascular Causes of Acute Liver Injury: 
 • Hepatic vein:
Acute Liver Injury ... - Differential ... Diagnosis Algorithm ... melanoma, myeloma • Pregnancy ... #hepatology
Liver Disease in Pregnancy
Intrahepatic Cholestasis of Pregnancy (ICP)
 • Onset/Trimester: 25-32 weeks
 • Typical clinical features:
weeks • Typical clinical ... and hemorrhage Acute ... #hepatology #obstetrics ... hepatitis #comparison #differential ... #diagnosis #icp
Portal Hypertension - Differential Diagnosis
Portal Pressure = the pressure difference between the pressure in the portal
Diagnosis Portal ... >10 mmHg - clinically ... • Cirrhosis/acute ... of pregnancy ... #hepatology