9 results
Liver Function Test (LFTs) Elevation
AST - Cardiac and skeletal muscle, kidney, brain
ALT - More specific for
(LFTs) Elevation ... ≥5: Hepatocellular ... #FunctionTest #LFTs ... #Elevation #Transaminitis ... #diagnosis #hepatology
Liver Enzymes (LFTs) - Causes of Hepatocellular and Cholestatic Liver Injury
Hepatocellular Liver Injury
 • AST/ALT elevation
Liver Enzymes (LFTs ... • AST/ALT elevation ... #Cholestatic #Transaminitis ... #diagnosis #differential ... #hepatology
Abnormal Liver Function Tests - Differential Diagnosis Algorithm for Transaminitis
Hepatocellular Pattern (ALT or AST > ALP):
Abnormal Liver Function ... Hepatocellular ... Wilsons, Pregnancy - AFLP ... #Elevated #Abnormal ... #hepatology #LiverFunctionTests
Liver Chemistries - Interpretation of LFTs

R-value: Serum (ALT/ULN ALT) / (Alk phos/ULN ALP)
 • R >
specificity to elevated ... • Gilbert's syndrome ... #chemistry #diagnosis ... #differential #Hepatology ... #transaminitis
Hepatocellular Liver Injury - Differential Diagnosis Framework:
Liver Injury → liver test abnormalities without evidence of liver
Hepatocellular Liver ... phosphatase) 2) Cholestatic ... #hepatology #algorithm ... #Transaminitis ... #LFTs #hepatitis
Acute Liver Injury - Differential Diagnosis Algorithm

Vascular Causes of Acute Liver Injury: 
 • Hepatic vein:
- Differential Diagnosis ... vein: Budd-chiari syndrome ... specificity to elevated ... Enzyme Elevation ... #algorithm #hepatology
Elevated Liver Enzymes - Differential Diagnosis Algorithm
Severe ALT > 15x ULN
 • Viral
 • Drugs/Toxins
 •
Elevated Liver Enzymes ... • Pregnancy - AFLP ... • Alcoholic hepatitis ... • Others #LFTs ... #Hepatology #LiverEnzymes
Liver Disease in Pregnancy
Intrahepatic Cholestasis of Pregnancy (ICP)
 • Onset/Trimester: 25-32 weeks
 • Typical clinical features:
Intrahepatic Cholestasis ... necrosis HELLP Syndrome ... Disease #Pregnancy #hepatology ... #obstetrics #hepatitis ... #differential #diagnosis
Autoimmune Hepatitis

Clinical Presentation
 - Highly variable clinical presentation, from subclinical disease to acute liver failure.
 -
- Typically hepatocellular ... injury, though cholestatic ... IgG typically elevated ... (rare) - IgG Elevation ... #Management #Hepatology