451 results
Abnormal Liver Function Tests - Differential Diagnosis Algorithm for Transaminitis
Hepatocellular Pattern (ALT or AST > ALP):
(ALT or AST > ALP ... Wilsons, Pregnancy - AFLP ... Ducts - PBC ... , PSC, Alcoholic ... Biliary stricture, PSC
Acute Liver Injury - Differential Diagnosis Algorithm

Vascular Causes of Acute Liver Injury: 
 • Hepatic vein:
Autoimmune hepatitis, PBC ... , PSC, IgG4, HLH ... stone, Malignancy, PBC ... • Bilirubin: RBC ... • LDH: Heart, RBC
Alkaline Phosphatase (ALP) Elevation - Differential Diagnosis Algorithm

ALP:
 - Enzymes that catalyze hydrolysis of organic phosphate
Alkaline Phosphatase (ALP ... - Increased ALP ... biliary Cholangitis (PBC ... Infiltrative diseases - PSC ... #Phosphatase #ALP
Cholestatic Liver Disease: Primary Biliary Cirrhosis vs Primary Sclerosing Cholangitis

#pathophysiology #pbc #psc #hepatology #comparison
pathophysiology #pbc ... #psc #hepatology
Acute Fatty Liver of Pregnancy (AFLP)
Pathophysiology:
 • Defect in fetal free fatty acid metabolism products →
of Pregnancy (AFLP ... infiltrates maternal hepatocytes ... iMedEducation #AFLP
Liver Chemistry Tests - AST, ALT, Alkaline Phosphatase and Bilirubin Metabolism
AST and ALT:
 • AST: liver
Synthesis: in hepatocyte ... accumulation in hepatocyte ... from albumin upon hepatocyte ... conjugation in hepatocyte ... reuptake into hepatocyte
Primary Biliary Cirrhosis - Diagnosis Algorithm
Symptoms: Fatigue, Pruritus, Right upper quadrant discomfort
Signs: Jaundice, Xanthelasmata, Hepatomegaly
Associated history:
pregnancy Diagnose PBC ... Elevated ALP 2. ... consistent with PBC ... #PBC #Primary
Liver Chemistries - Interpretation of LFTs

R-value: Serum (ALT/ULN ALT) / (Alk phos/ULN ALP)
 • R >
(Alk phos/ULN ALP ... • AST/ALT > ALP ... • Bilirubin: RBC ... cardiac muscle, RBC ... • LDH: Heart, RBC
Pathology - Hepatocyte Pigments

Lipofuschin (H&E) 

Alpha-I-antitrypsin globules (PAS-D) 

Mallory's hyaline / Mallory Denk Bodies 

Giant Mitochondria
Pathology - Hepatocyte ... bilirubinostasis (H&E) #Hepatocyte
Primary Biliary Cirrhosis (PBC) - Summary

PBC Epidemiology:
 • Female:Male 9:1
 • Common European descent
 • Age:
Biliary Cirrhosis (PBC ... ) - Summary PBC ... 30-65 years PBC ... Liver failure PBC ... obstruction • ALP