advanced positioning midterm quiz 4
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| True or false: T-tube cholangiography is performed in the OR | false, it is placed in the OR and performed in radiology.
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| Name 3 indications for OCG | demonstrate stricture or dilation of biliary ducts, reveal presence if caliculi, demonstrate small neoplasms.
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| What are the risks associated with PTC? | liver hemorrhage, bile leakage
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| What is the CR angulation for a PA gallbladder? | perpendicular
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| At what rate are films taken during an IVC? | 10 minute intervals
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| What exam is used with an ERCP to ensure no pseudocysts are present? | ultrasound
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| Respirations for biliary and gallbladder: | expiration
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| IR centering for PA gallbladder: | variable depending on body habitus
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| What position is used to show layering of stones in the gallbladder? | R lateral decubitus
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| This exam involves the placement of a needle through the right lateral intercostals space into the center of the liver to inject contrast into the biliary ducts | PTC
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| Term for the presence of gallstones | cholelithiasis
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| When do we use diluted contrast in an ERCP? | when small stones are suspected
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| Maximum opacification for an IVC usually takes how long? | 30-40 minutes
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| Term for the bile ducts | cholangio-
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| “skinny needle” | chiba
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| What position is preferred for a scout gallbladder? | prone
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| Term for pertaining to the gallbladder | cholecysto-
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| This study uses an endoscope to inject contrast into the common bile duct | ERCP
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| Term describing the common bile duct | choledocho-
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| Common projections for T-tube cholangiography | AP scout, RPO, lateral
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| What position helps prevent overlap of the common bile and pancreatic ducts during an ERCP? | oblique
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| Name 3 contraindications for intravenous cholangiography | pt. with liver disease, pt. with non-intact biliary ducts, pt. with obstructive jaundice.
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| When is contrast administered for an oral cholecystography? | 2-3 hours after the evening meal
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| What position is the patient in for a PTC? | supine
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| This study involves the injection of contrast directly into the common bile duct | ERCP
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| What are the essential projections for the gallbladder? | PA, LAO, R lateral decubitus
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| What obliquity is used for intravenous cholangiography? | RPO, 15-40 degrees
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| What exam is most useful in determining the cause of jaundice? | PTC
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| During an ERCP, how much time does the RT have before the ducts empty? | 5 minutes
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| What exam is done when an OCG does not adequately show the gallbladder or biliary ducts? | Intravenous cholangiogram
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| What exam may be done to place a catheter for the treatment of obstructive jaundice? | PTC
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| What oblique position best demonstrates the gallbladder? | LAO
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| Term for inflammation of the gallbladder | cholecystitis
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