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Gall stones / Pathophysiology. Bile facilitates the absorption of lipids and fat-soluble vitaminsBilirubin, bile salts, phospholipids, and cholesterol Failure to maintain cholesterol and calcium salts in a solubilized state Classified by their cholesterol content as: cholesterol or pigment Pigme
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1. Hepatobiliary disease Mazen Hassanain
2. Gall stones / Pathophysiology Bile facilitates the absorption of lipids and fat-soluble vitamins
Bilirubin, bile salts, phospholipids, and cholesterol
Failure to maintain cholesterol and calcium salts in a solubilized state
Classified by their cholesterol content as: cholesterol or pigment
Pigment stones are further classified as either black or brown.
3. Types / cholesterol 75% cholesterol,
Biliary sludge: in prolonged fasting states or with the use of long-term TPN
Cholesterol supersaturation is present in many normal humans without gallstones
Nucleation
Stone growth
4. Type / Pigment 25% black pigment
Hemolytic conditions or cirrhosis
Not associated with infected bile
5% brown pigment
Earthy in texture and are typically found in the bile ducts, especially in Asian populations.
Disorders of biliary motility and associated bacterial infection
5. Biliary colic 1% / year role
Symptoms (meal, 60 min, 1-5h)
Diagnosis
Nuclear scan
Treatment
Acute attack
Other complications
6. P/E Exam
Acute abdomen
Murphy’s sign, Courvoisier’s sign.
7. Acute pancreatitis Acute Pancreatitis
Biliary tract stones Drugs ERCP Ethanol abuse Hypercalcemia Hyperlipidemia Idiopathic Infections Ischemia Parasites Postoperative Scorpion sting Trauma Chronic Pancreatitis
Autoimmune Duct obstruction Ethanol abuse Hereditary Hypercalcemia Hyperlipidemia Idiopathic
8. Ranson’s Prognostic Signs Admission
Gallstone Pancreatitis
Age > 70 yr
WBC > 18,000/mm3
Glucose > 220 mg/100 mL
LDH > 40 IU/L
AST > 250 U/100 mL
Non-Gallstone Pancreatitis
Age > 55 yr
WBC > 16,000/mm3
Glucose > 200 mg/100 mL
LDH > 350 IU/L
AST > 250 U/100 mL Initial 48 Hours
Gallstone Pancreatitis
Hct fall > 10
BUN elevation > 2 mg/100 mL
Ca2+ > 8 mg/100 mL
Base deficit > 5 mEq/L
Fluid sequestration > 4 L
Non-Gallstone Pancreatitis
Hct fall > 10
BUN elevation > 5 mg/100 mL
Ca2+ > 8 mg/100 mL
Pao2 > 55 mm Hg
Base deficit > 4 mEq/L
Fluid sequestration > 6 L
9. Chronic pancreatitis Symptoms
Complications Acute
Complications Chronic
Pseudocyst
Pathophysiology
Symptoms
Diagnosis
10. Pancreatic neoplasm Pathology
Symptoms
Diagnosis