10 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 ... Transaminitis #diagnosis #differential ... #hepatology
Liver Function Test (LFTs) Elevation
AST - Cardiac and skeletal muscle, kidney, brain
ALT - More specific for
(LFTs) Elevation ... ) vs Indirect (Hemolytic ... ALP ≥ 2x ULN R Value ... Hepatocellular injury ... #FunctionTest #LFTs
Liver Chemistries - Interpretation of LFTs

R-value: Serum (ALT/ULN ALT) / (Alk phos/ULN ALP)
 • R >
Interpretation of LFTs ... Elevation of ALP • Near ... #diagnosis #differential ... #Hepatology #transaminitis ... #LFTs #RValue #
Pancytopenia - Differential Diagnosis Algorithm
 • 12-13 g/dL,
 • ANC < 1800/uL,
 • platelet < 150,000/uL

Initial
Diagnosis Algorithm ... /uL Initial Workup ... reticulocyte count, LFTs ... ↑ Destruction (hemolysis ... #hematology #workup
Diagnosis and Management of Idiosyncratic Drug-induced Liver Injury (DILI)

DILI Types:
 • Intrinsic - predictable, dose dependent
Chronic - ongoing ↑ LFTs ... Calculate R-Value ... #differential # ... gastroenterology #algorithm ... gastroenterology #hepatology
Patterns of Liver Injury
Transaminase Levels:
  > 50x normal - Ischemic Hepatitis
  > 20x normal
Patterns of Liver ... 2-5x normal - Hemolysis ... #Injury #hepatology ... #LFTs #transaminitis ... #differential #
Hepatocellular Liver Injury - Differential Diagnosis Framework:
Liver Injury → liver test abnormalities without evidence of liver
Injury - Differential ... Injuryliver ... Injury Differential ... #Injury #Differential ... #LFTs #hepatitis
Liver Function Tests (LFTs) - Normal Values and Interpretation

Alanine aminotransferase (ALT/SGPT) - Liver, cardiac & skeletal
(LFTs) - Normal ... hepatocellular injury ... Overproduction (hemolysis ... Function #Tests #LFTs ... Interpretation #diagnosis #hepatology
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
- Differential ... Diagnosis Algorithm ... mechanical cardiac valve ... #Anemia #Differential ... #workup #hematology
Acute Liver Injury - Differential Diagnosis Algorithm

Vascular Causes of Acute Liver Injury: 
 • Hepatic vein:
Acute Liver Injury ... - Differential ... Diagnosis Algorithm ... #differential # ... #hepatology