7 results
Liver Enzymes (LFTs) - Causes of Hepatocellular and Cholestatic Liver Injury
Hepatocellular Liver Injury
 • AST/ALT elevation
Liver Enzymes (LFTs ... AnnKumfer #Liver #Enzymes ... #LFTs #Hepatocellular ... Transaminitis #diagnosis #differential ... #hepatology
Hepatocellular Liver Injury - Differential Diagnosis Framework:
Liver Injury → liver test abnormalities without evidence of liver
Injury - Differential ... • Infections: Hepatitis ... #Diagnosis #hepatology ... Transaminitis #LFTs ... #hepatitis
Patterns of Liver Injury
Transaminase Levels:
  > 50x normal - Ischemic Hepatitis
  > 20x normal
, Toxic Hepatitis ... normal - Hemolysis, NASH ... Liver #Injury #hepatology ... #LFTs #transaminitis ... #differential #
Elevated Liver Enzymes - Differential Diagnosis Algorithm
Severe ALT > 15x ULN
 • Viral
 • Drugs/Toxins
 •
Elevated Liver Enzymes ... - Differential ... • Alcoholic hepatitis ... • Others #LFTs ... #Hepatology #LiverEnzymes
Liver Chemistries - Interpretation of LFTs

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

Vascular Causes of Acute Liver Injury: 
 • Hepatic vein:
Liver Injury - Differential ... disease: > 2 • NASH ... Source of Liver Enzyme ... #differential # ... diagnosis #algorithm #hepatology
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... Muscle strength & enzymes ... affects the skin, neurologic ... , mucositis • Rash ... cognitive impairment, neurologic