3879 results
Liver Enzymes (LFTs) - Causes of Hepatocellular and Cholestatic Liver Injury
Hepatocellular Liver Injury
 • AST/ALT elevation
/ALT elevation > ... Alk phos • ALT ... • R value = (ALT ... + ULN ALT) / (alkaline ... Transaminitis #diagnosis #differential
Abnormal Liver Function Tests - Differential Diagnosis Algorithm for Transaminitis
Hepatocellular Pattern (ALT or AST > ALP):
Function Tests - Differential ... • Severe - ALT ... • Moderate - ALT ... Others • Mild - ALT ... > ALT or AST):
Liver Chemistries - Interpretation of LFTs

R-value: Serum (ALT/ULN ALT) / (Alk phos/ULN ALP)
 • R >
R-value: Serum (ALT ... /ULN ALT) / (Alk ... to liver than ALT ... • ALT: Specific ... chemistry #diagnosis #differential
Elevated Liver Enzymes - Differential Diagnosis Algorithm
Severe ALT > 15x ULN
 • Viral
 • Drugs/Toxins
 •
Liver Enzymes - Differential ... Algorithm Severe ALT ... HELLP Moderate ALT ... • Others Mild ALT ... #LiverEnzymes #Differential
Acute Liver Injury - Differential Diagnosis Algorithm

Vascular Causes of Acute Liver Injury: 
 • Hepatic vein:
Liver Injury - Differential ... to liver than ALT ... • ALT: Specific ... • AST/ALT > ALP ... injury #hepatitis #differential
Hepatocellular Liver Injury - Differential Diagnosis Framework:
Liver Injury → liver test abnormalities without evidence of liver
Liver Injury - Differential ... /ALT compared with ... /ALT) Hepatocellular ... Liver Injury Differential ... Liver #Injury #Differential
Etiology of Acute Liver Failure – bolded entities are most likely to cause AST/ALT in the
likely to cause AST ... /ALT in the 1000s ... Transaminitis #Differential
Causes of Apparent Life Threatening Event (ALTE) - Differential Diagnosis Algorithm
Cardiac:
 • Congenital Heart Disease
 •
Threatening Event (ALTE ... ) - Differential ... LifeThreatening #Event #ALTE ... #BRUE #Differential
Rhabdomyolysis - Differential Diagnosis Framework and Management Summary

Causes of Rhabdomyolysis:
 • Trauma:
	- Immobilization
	- Crush injury
	- Compartment
Rhabdomyolysis - Differential ... CPK 5X ULN • AST ... /ALT Elevation 4 ... > ALT) • AKI: ... Rhabdomyolysis #Differential
Acute Fatty Liver of Pregnancy (AFLP)
Pathophysiology:
 • Defect in fetal free fatty acid metabolism products →
Findings: • ↑AST ... /ALT (5-10x ULN) ... Cr, ↓Glucose, ↓PLT ... infiltration) Differential