113 results
Abnormal Liver Function Tests - Differential Diagnosis Algorithm for Transaminitis
Hepatocellular Pattern (ALT or AST > ALP):
Algorithm for Transaminitis ... : • Severe - ALT ... >15X ULN ... < 5x ULN ... Elevated #Abnormal #Transaminitis
Liver Function Test (LFTs) Elevation
AST - Cardiac and skeletal muscle, kidney, brain
ALT - More specific for
kidney, brain ALT ... R Value = (ALT ... / ULN ALT) / (ALP ... / ULN ALP) ... LFTs #Elevation #Transaminitis
Liver Enzymes (LFTs) - Causes of Hepatocellular and Cholestatic Liver Injury
Hepatocellular Liver Injury
 • AST/ALT elevation
Injury • AST/ALT ... > Alk phos • ALT ... • R value = (ALT ... + ULN ALT) / (alkaline ... #Cholestatic #Transaminitis
Liver Chemistries - Interpretation of LFTs

R-value: Serum (ALT/ULN ALT) / (Alk phos/ULN ALP)
 • R >
R-value: Serum (ALT ... /ULN ALT) / (Alk ... phos/ULN ALP) ... to liver than ALT ... differential #Hepatology #transaminitis
Elevated Liver Enzymes - Differential Diagnosis Algorithm
Severe ALT > 15x ULN
 • Viral
 • Drugs/Toxins
 •
Algorithm Severe ALT ... > 15x ULN • Viral ... HELLP Moderate ALT ... 5-15x ULN • Viral ... • Others Mild ALT
Elevated Transaminases / Transaminitis - Differential Diagnosis

 • Infectious: HAV, HCV, HEV, EBV, HSV, CMV
 •
Transaminases / Transaminitis ... images/10587 #Transaminitis
Hepatocellular Liver Injury - Differential Diagnosis Framework:
Liver Injury → liver test abnormalities without evidence of liver
increase in AST/ALT ... compared with AST/ALT ... hepatology #algorithm #Transaminitis
Evaluation abnormal liver tests in pregnancy
- Cholestatic Pattern
- Hepatocellular Pattern

#LFTs #transaminits #pregnancy #obgyn #obstetrics #hepatology #diagnosis
Pattern #LFTs #transaminits
Acute Fatty Liver of Pregnancy (AFLP)
Pathophysiology:
 • Defect in fetal free fatty acid metabolism products →
Findings: • ↑AST/ALT ... (5-10x ULN), ↑Tbili ... Cr, ↓Glucose, ↓PLT
Hepatitis B - Treatment Indications
Treatment not indicated:
 • Immune tolerant state - HBe-Ag detectable, high HBV
IU/mL), normal ALT ... IU/mL), normal ALT ... IU/mL), normal ALT ... 2000 IU/mL and ALT ... 2000 IU/mL and ALT