| 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 |
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