608 results
Liver Enzymes (LFTs) - Causes of Hepatocellular and Cholestatic Liver Injury
Hepatocellular Liver Injury
 • AST/ALT elevation
Hepatocellular and Cholestatic ... Hepatocellular or Cholestatic ... R ≤ 2 = Cholestatic ... Hepatocellular #Cholestatic ... #Transaminitis
Liver Function Test (LFTs) Elevation
AST - Cardiac and skeletal muscle, kidney, brain
ALT - More specific for
ALT ≥ 3x ULN Cholestatic ... Hepatocellular injury ... pattern ≤2: Cholestatic ... injury Sinai ... LFTs #Elevation #Transaminitis
Hepatocellular Liver Injury - Differential Diagnosis Framework:
Liver Injury → liver test abnormalities without evidence of liver
Hepatocellular Liver Injury ... Framework: Liver Injury ... phosphatase) 2) Cholestatic ... Hepatocellular Liver Injury ... hepatology #algorithm #Transaminitis
Liver Chemistries - Interpretation of LFTs

R-value: Serum (ALT/ULN ALT) / (Alk phos/ULN ALP)
 • R >
RNA • R < 2: Cholestasis ... ALF): • Liver injury ... hepatocellular injury ... • Acute muscle injury ... differential #Hepatology #transaminitis
Evaluation abnormal liver tests in pregnancy
- Cholestatic Pattern
- Hepatocellular Pattern

#LFTs #transaminits #pregnancy #obgyn #obstetrics #hepatology #diagnosis
in pregnancy - Cholestatic ... Pattern #LFTs #transaminits
Abnormal Liver Function Tests - Differential Diagnosis Algorithm for Transaminitis
Hepatocellular Pattern (ALT or AST > ALP):
Algorithm for Transaminitis ... def, Wilson's, Cholestatic ... dz Cholestatic ... Elevated #Abnormal #Transaminitis
Acute Liver Injury - Differential Diagnosis Algorithm

Vascular Causes of Acute Liver Injury: 
 • Hepatic vein:
Acute Liver Injury ... poisoning, ETOH Cholestatic ... elevation Labs in Cholestatic ... epithelia: - Cholestasis ... ALT: typical of cholestatic
Classification of Jaundice
Unconjugated hyperbilirubinemia (predominantly indirect bilirubin)
 • Increased bilirubin production (eg, hemolytic anemias, hemolytic reactions,
• Hereditary Cholestatic ... familial intrahepatic cholestasis ... of intrahepatic cholestasis ... ) Intrahepatic cholestasis ... or intrahepatic cholestasis
Causes of Acute Liver Injury - Differential Diagnosis
Hepatocellular - Liver Parenchyma
 • Infectious: Hepatitis C, A,
of Acute Liver Injury ... Thrombus, Vasospasm Cholestatic ... Hepatitis, TB Cholestatic ... Sophia_Hayes_MD #Liver #Injury
Patterns of Liver Injury
Transaminase Levels:
  > 50x normal - Ischemic Hepatitis
  > 20x normal
Patterns of Liver Injury ... Patterns #Liver #Injury ... hepatology #LFTs #transaminitis