13 results
Abnormal Liver Function Tests - Differential Diagnosis Algorithm for Transaminitis
Hepatocellular Pattern (ALT or AST > ALP):
Abnormal Liver Function ... Tests - Differential ... AIH, Wilsons, Pregnancy ... stone, Biliary ... Burak @kwburak #LFTs
Liver Function Test (LFTs) Elevation
AST - Cardiac and skeletal muscle, kidney, brain
ALT - More specific for
(LFTs) Elevation ... ALP - Biliary ... ≥ 2x ULN R Value ... Transaminitis #diagnosis ... #hepatology
Elevated Liver Enzymes - Differential Diagnosis Algorithm
Severe ALT > 15x ULN
 • Viral
 • Drugs/Toxins
 •
Elevated Liver Enzymes ... • Wilson's • Pregnancy ... - AFLP, HELLP ... Duct Stone • Biliary ... • Others #LFTs
Alkaline Phosphatase (ALP) Elevation - Differential Diagnosis Algorithm

ALP:
 - Enzymes that catalyze hydrolysis of organic phosphate
) Elevation - Differential ... Diagnosis Algorithm ... - Drugs - Pregnancy ... Cholangitis (PBC ... #hepatology
Acute Liver Injury - Differential Diagnosis Algorithm

Vascular Causes of Acute Liver Injury: 
 • Hepatic vein:
- Differential ... Diagnosis Algorithm ... melanoma, myeloma • Pregnancy ... #diagnosis #algorithm ... #hepatology
Primary Biliary Cirrhosis - Diagnosis Algorithm
Symptoms: Fatigue, Pruritus, Right upper quadrant discomfort
Signs: Jaundice, Xanthelasmata, Hepatomegaly
Associated history:
pruritus after pregnancy ... Diagnose PBC if ... Elevated ALP 2. ... Liver biopsy findings ... #hepatology
Acute Fatty Liver of Pregnancy (AFLP)
Pathophysiology:
 • Defect in fetal free fatty acid metabolism products →
of Pregnancy (AFLP ... : • Defect in fetal ... infiltration) Differential ... Diagnosis: Viral ... Pregnancy #hepatology
Liver Chemistries - Interpretation of LFTs

R-value: Serum (ALT/ULN ALT) / (Alk phos/ULN ALP)
 • R >
Interpretation of LFTs ... R-value: Serum ... #chemistry #diagnosis ... #differential # ... Hepatology #transaminitis
Primary Biliary Cirrhosis (PBC) - Summary

PBC Epidemiology:
 • Female:Male 9:1
 • Common European descent
 • Age:
obstruction • ALP ... or higher • Liver ... bile ducts Differential ... cholestasis of pregnancy ... #workup #hepatology
Causes of Acute Liver Injury - Differential Diagnosis
Hepatocellular - Liver Parenchyma
 • Infectious: Hepatitis C, A,
Injury - Differential ... Diagnosis Hepatocellular ... Malignancy, 1° PBC ... Toxic: Medication, Pregnancy ... Acute #algorithm #hepatology