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