167 results
Classification of Jaundice
Unconjugated hyperbilirubinemia (predominantly indirect bilirubin)
 • Increased bilirubin production (eg, hemolytic anemias, hemolytic reactions,
genes coding for bile ... cholestasis, and some cases ... miscellaneous causes ... external pressure on bile ... #differential #causes
Elevated Liver Enzymes - Differential Diagnosis Algorithm
Severe ALT > 15x ULN
 • Viral
 • Drugs/Toxins
 •
disease US — Normal Bile ... US - Dilated Bile ... Ducts • Common Bile ... Duct Stone • Biliary ... Diagnosis #Algorithm #Causes
Diseases of the Biliary Tract
Asymptomatic gallstones - Asymptomatic
Symptomatic gallstones - Biliary pain
Cholesterolosis of gallbladder - Usually
Diseases of the Biliary ... Adenomyomatosis - May cause ... biliary pain Porcelain ... quadrant pain, nausea ... quadrant pain, nausea
Mechanism of Action of Bile Acid Sequestrants
Bile Acid Sequestrants → ↓ Hepatic Bile Acid Pool →
Mechanism of Action of Bile ... Sequestrants Bile ... Sequestrants → ↓ Hepatic Bile ... Pool → ↑ Hepatic Bile ... Plasma LDL-C #biliary
Causes of Severe Acute Liver Injury
 - Ichemic hepatitis
 - Acute biliary obstruction
 - Drug-Induced liver
Causes of Severe ... hepatitis - Acute biliary ... Hemochromatosis - Primary biliary ... Severe #Acute #Causes
Primary Biliary Cirrhosis (PBC) - Summary

PBC Epidemiology:
 • Female:Male 9:1
 • Common European descent
 • Age:
Primary Biliary ... of intralobular bile ... ducts causes cholestasis ... No extrahepatic biliary ... malignancy #Primary #Biliary
Uveitis - Definition, Causes and SUN Classification

Inflammation of the iris, ciliary body, vitreous, retina and/or choroid
Incidence
- Definition, Causes ... Inflammation of the iris, ciliary ... inhabitants 3rd leading cause ... retinal ischemia Causes ... TerrierBen #Uveitis #Causes
Alkaline Phosphatase (ALP) Elevation - Differential Diagnosis Algorithm

ALP:
 - Enzymes that catalyze hydrolysis of organic phosphate
Intestine - Other causes ... Drugs - Primary biliary ... PSC - Other biliary ... diseases/Bile duct
Causes of Biliary Dilatation - Differential Diagnosis
 • Physiological: ↑ Age, Cholecystectomy, Opioid dependence, Post-sphincterotomy
 •
Causes of Biliary ... AUPBD • Stones: Biliary ... @drkeithsiau #Biliary ... #Dilatation #causes
Primary Biliary Cirrhosis - Pathophysiology
Environmental Risk Factors: Geographic location, Smoking, Microbial triggers, Xenobiotics, Nail polish
Epigentics Risk
Primary Biliary ... gradual loss of bile ... inflammation and biliary ... #PBC #Primary #Biliary