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ERCP and lap chole

ERCP and lap chole procedure comp questions

Chole- bile
-docho ducts
Choledocho- pertaining to the common bile duct
Cholecyst- pertaining to the gallbladder
Cholelithiasis formation or presence of gallstones in the gallbladder or bile ducts
Cholecystitis inflammation of the gallbladder
Cholecystopaque a type of contrast used to visualize the gallbladder and bile ducts
Cholecyst gallbladder
-lith stone
-iasis full of
Cysto bag or sack
Choledocholithiasis formation or presence of gallstones in the common bile duct
Biliary tract examinations are performed to evaluate what? liver function, patency and condition of the ducts, concentrating and emptying power of the gallbladder, presence of gallstones.
Technical consideration for biliary tract imaging include: small FSS, close collimation, short exposure time, soft tissue technique (70-80kVp), expose after exhalation.
Operative cholangiography indications include: investigate bile duct patency, sphincter of oddi function, reveal the presence of caliculi, demonstrate intraluminal neoplasms, demonstrate stricture or dilation of ducts.
Patient position for operative cholangiography: supine, RPO (15-20 degrees), C-arm centered over the inferior rib margin.
Structures shown during operative cholangiography: biliary system full of contrast, branches of the hepatic duct, pancreatic duct, no extravasation of contrast, contrast emptied into the duodenum, any retained gallstones.
ERCP stands for: endoscopic retrograde cholangiopancreatography
Define endoscopic retrograde cholangiopancreatography: procedure used to diagnose biliary and pancreatic pathologic conditions.
When can an ERCP be done? when the bliary ducts are not dilated, there is no obstruction, there is indication of abnormalities on previous exam, if no pseudocysts are present in the liver.
Briefly explain an ERCP procedure under conscious sedation, a fiber optic endoscope is passed through the mouth and duodenum. A cannula is then passed through the endoscope and into the ampulla of vater; contrast is pushed into the common bile duct.
Why might oblique radiographs be done for an ERCP? to prevent overlap of the common bile duct and pancreatic duct.
Explain the different types of contrast used on an ERCP dense contrast opacifies small ducts well but obscures small stones. Dilute contrast is used to visualize small stones.
What exam is usually done prior to an ERCP? ultrasound for pseudocysts
How can we see the layering of stones in the gallbladder? on a Rt lateral decub
Name the essential projections of the gallbladder PA, LAO, Rt lat decub
What study involves the injection of contrast directly into the common bile duct? ERCP
How long does it take for the ducts to empty following an ERCP? 5 minutes
Created by: annaluz87