adv pos biliary Word Scramble
|
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
| Question | Answer |
| PTC | percutaneous transhepatic choangiography – pre-op study of the biliary tract |
| What is the purpose of a PTC? | when cause of dilation of biliary ducts shown on CT or US is unclear in jaundice pt, or placement of a drainage catheter to treat obstructive jaundice |
| PTC procedure – pt. position | pt. supine, R side is prepped for surgery |
| PTC procedure – anesthetic and contrast administration | local anesthetic administered via chiba needle into R lat. Intercostal space and advanced toward the hilum. Stylet is removed and a contrast filled syringe is attached. |
| PTC risks | liver hemorrhage, bile leakage, infection. |
| ERCP | endoscopic retrograde cholangiopancreatography – procedure used to diagnose biliary and pancreatic pathologic conditions |
| ERCP – purpose/use | biliary ducts are not dilated, no obstruction at ampulla of vater, abnormal biliary or pancreatic findings |
| ERCP is performed following what exams? | OCG, ultrasound and IVC. Ultrasound for pseudocysts |
| ERCP procedure | endoscope is passed into the duodenum under flouro, anesthetic sprayed into throat, conscious sedation. A cannula is passed into the ampulla |
| ARCP procedure – contrast | injected into the common bile duct, spots taken and flouro to be performed within 5 minutes due to rapid drainage. |
| Why would dense contrast be used in an ERCP? | to opacify small ducts , may obscure small stones. |
| Why would dilute contrast be used in an ERCP? | to show small stones |
| Why would we do obliques on an ERCP? | to prevent overlapping of the common bile duct and pancreatic duct. |
Created by:
annaluz87
Popular Radiology sets