An ERCP involves inserting an endoscope through the mouth and stomach into the duodenum, then inserting a thin tube through the endoscope into the biliary tract to inject radiopaque dye and take x-rays of the biliary tract and pancreatic duct. ERCPs are used diagnostically to detect gallstones, cancer, and other pathologies and to remove stones or lesions or repair narrow ducts. Patients must not eat or drink for 8-10 hours before the exam, which typically lasts 30 minutes to 2 hours. Required supplies include an endoscope, oral anesthetic, contrast media, films, and a C-arm may be used to take images.

1. Endoscopic retrograde Cholangiopancreatography(ERCP)An examination of the biliary structures.

2. What is an ERCP?An ERCP involves passing an endoscope through the mouth, esophagus, and stomach into the duodenum. A thin tube is then inserted through the endoscope into the biliary tract. A radiopaque dye is injected through the tube into the biliary tract, and x-rays are taken of the biliary tract and pancreatic duct.

3. Why would someone need an ERCP?For diagnostic reasons: To diagnose biliary and pancreatic pathologic conditions including gall stones and cancerTo remove any stones or lesionsTo repair any narrowing of the biliary ducts (stenosis)

4. What does a patient have to do before an ERCP exam?Nothing can be taken by mouth 8-10 hours before exam. This means no eating, drinking, gum chewing or smokingThe examination can last from anywhere from 30 minutes to 2 hours

5. What supplies are needed for an ERCP?An endoscopeAn oral anestheticContrast mediaFilms to take preliminary and post-procedure imagesA C-arm may be used to take these imagesIt is the radiographers responsibility to take images and to assist the radiologist or gastroenterologist

6. Routine Radiographic Projections for an ERCPPreliminary KUB Spot Films KUBPost procedure KUBDrainage Film KUBAll films on a 14x17 cassetteCenter at the iliac crest