935 results
Liver Enzymes (LFTs) - Causes of Hepatocellular and Cholestatic Liver Injury
Hepatocellular Liver Injury
 • AST/ALT elevation
Liver Enzymes (LFTs ... and Cholestatic Liver ... Hepatocellular Liver ... or Cholestatic Liver ... @AnnKumfer #Liver
Abnormal Liver Function Tests - Differential Diagnosis Algorithm for Transaminitis
Hepatocellular Pattern (ALT or AST > ALP):
Abnormal Liver Function ... Differential Diagnosis Algorithm ... : • Severe - ALT ... >15X ULN ... Transaminitis #Algorithm
Elevated Liver Enzymes - Differential Diagnosis Algorithm
Severe ALT > 15x ULN
 • Viral
 • Drugs/Toxins
 •
Elevated Liver Enzymes ... Differential Diagnosis Algorithm ... Severe ALT > 15x ... ULN • Viral ... Differential #Diagnosis #Algorithm
Liver Function Test (LFTs) Elevation
AST - Cardiac and skeletal muscle, kidney, brain
ALT - More specific for
Liver Function Test ... kidney, brain ALT ... specific for the liver ... / ULN ALT) / (ALP ... SinaiBmoreIMRes #Liver
Acute Fatty Liver of Pregnancy (AFLP)
Pathophysiology:
 • Defect in fetal free fatty acid metabolism products →
Acute Fatty Liver ... (5-10x ULN), ↑Tbili ... Cr, ↓Glucose, ↓PLT ... Intrahepatic Cholestasis Management ... obgyn #diagnosis #management
Liver Chemistries - Interpretation of LFTs

R-value: Serum (ALT/ULN ALT) / (Alk phos/ULN ALP)
 • R >
Liver Chemistries ... /ULN ALT) / (Alk ... Identify Acute Liver ... than ALTALT ... : Specific to liver
Acute Liver Injury - Differential Diagnosis Algorithm

Vascular Causes of Acute Liver Injury: 
 • Hepatic vein:
Differential Diagnosis Algorithm ... than ALTALT ... • AST: ↑ • ALT ... - ALP > AST/ALT ... differential #diagnosis #algorithm
Autoimmune Hepatitis

Clinical Presentation
 - Highly variable clinical presentation, from subclinical disease to acute liver failure.
 -
disease to acute liver ... hepatocellular pattern of liver ... Hepatitis (eg Viral) Management ... + AST > 10x ULN ... AIH #Diagnosis #Management
Hepatitis B - Treatment Indications
Treatment not indicated:
 • Immune tolerant state - HBe-Ag detectable, high HBV
IU/mL), normal ALT ... IU/mL), normal ALT ... infection with severe liver ... mg/dL) or acute liver ... #Indications #management
Features of Components of Liver Function Tests #Diagnosis #IM #GI #LFTs #Liver #Function #Tests #Locations #AlkPhos
Components of Liver ... #IM #GI #LFTs #Liver ... #AlkPhos #AST #ALT