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Dmi 56 Hepatobiliary
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What are the common diseases associated with the hepatobiliary system?
cirrhosis- esophageal varices
ascites
hepatitis
cholelithiasis
medical/surgical jaundice
hemangioma
hepatoma- hepatoblastoma- #1 pediatric tumor
pancreatitis
Which disease of the hepatobiliary system is the #1 pediatric tumor?
hepatoblastoma
What are the functions of the liver?
metabolism
synthesis
detoxification
excretion
What does the two blood supply of the liver do?
Hepatic Artery- delivers oxygenated blood
Portal Vein- returns venous blood from abdominal viscera-nutrient rich (formed by superior mesenteric and splenic veins)
What is the function of the gallbladder?
store and concentrate bile
What is the function of the pancrease?
both exocrine and endocrine
Exocrine- trypsin (digestion of proteins), amylase (starch), lipase (lipids).
Via pancreatic duct to duodenum
Endocrine-
Insulin- hyperglycemic
Glucagon- hypoglycemic - liver break down glycogen
Via islets of Langerhans
What is cirrhosis?
liver parenchyma/architecture destroyed
asymptomatic in early stages
end stage of chronic alcoholism
causes impaired liver function
portal hypertension= PHTN
development of:
collateral venous connections to vena cava
such connections involve the esophageal veins, which dilate to become esophageal varices
High risk of hemmorhage due to the inability for liver to make clotting factors or esophageal variceal rupture
What is ascites?
fluid within peritoneal cavity
may result from hepatitis, renal failure, cancer and CHF
What are the characteristics of ascites?
50% of deaths from cirrhosis
Author
Anonymous
ID
105669
Card Set
Dmi 56 Hepatobiliary
Description
liver, pancrease pathologies
Updated
10/2/2011, 2:30:42 AM
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