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GI Rad&Procedures
CM I - Fall 2011
| Question | Answer |
|---|---|
| If you are dealing with a hollow organ, which test should you use? | US |
| For solid organs, which tests can you do? | CT or US |
| If someone has severe of persistent symptoms of GER, what test is recom? | Endoscopy w/biopsy |
| If there is a perforation in the esophagus what kind of contrast should you use? | Water-soluble (barium causes mediastinitis) |
| If aspiration is suspected, what kind of contrast should you use? | Barium (water-soluble causes pneumonitis) |
| What is the Z line in the esophagus? | NL jxn bw 2 diff't types of mucosa (esophageal and gastric) |
| What are Zenker's diverticulum? | Outpouching of mucosa in the pharynx -Food can be caught in this & cause symptoms |
| What is presbyesophagus? | Ring-like esophageal contrax seen in an older person (disruption of NL peristaltic motility in the esophagus) |
| What is a hiatal hernia? | Small portion of the fundus of the stomach slips up through the hemidiaphragm (Look for air/fluid level w/in chest cavity, behind hrt-on plain CXR) |
| What signs of stomach ulcers can tell you if they are benign or malignant? | -Benign: projects out beyond the NL expected curvature -Malignant:Large series of ulcers seen along the greater curvature of the stomach |
| True or False: Duodenal ulcers are usually benign? | TRUE |
| Prep for SB follow-thru? | NPO after evening meal |
| What is best to image the liver, pancreas, and spleen? | -CT (US best to image GB) |
| What is used to best view cholecystitis? | -US |
| Small bowel should not exceed? | 3cm |
| What does an "apple core" lesion usually indicate? | Cancer |
| What are some general symptoms you may see w/diverticulitis? | -Abd pain -Fever,tenderness,leukocytosis |
| In which dz may you see the loss of haustral markings and tubal narrowing and rigidity? | UC |
| Which dz involves thickened, stenotic bowel with ulcers and strictures w/fistulas and characteristic skip lesions? | Crohn's Dz |
| What is a sigmoid volvulus? | Twisting of the intestine (childhood dz); it may cut off blood circulation *EMERGENCY!!=can necrose |
| Prep for EGD? | -NPOx4 hrs -Usually do not need to hold anticoag |
| What is the name of mucosal injury to the esophagus from chronic exposure of refluxed acid and bile? | Barrett's Esophagus |
| Which esophageal CA is assoc w/GERD and Barrett's esophagus? | Adenocarcinoma (usually located at GE jxn) |
| Which esophageal CA is related to tobacco and ETOH use? | Squamous cell carcinoma |
| What is ERCP | Endoscopic retrograde cholangiopancreatography -Combines the use of XRs and an endoscope-dye is injected into the biliary tree to make visible on XR |
| How long is a sigmoidoscope? | ~60cm |
| Sigmoidoscopy is contraindicated when? | -Acute peritonitis -Acute diverticulitis -Toxic megacolon -Recent bowel surgery |
| Prep for sigmoidoscopy? | -Clear liquids day b4 procedure -Stop ASA, Coumadin, NSAIDS ~3-5 days before procedure |
| IS SBE prophylaxis recommended for colonoscopy prep? | NO |
| Colonoscopy prep? | -Clear liqs 24 hrs before prep -Go Lytely -Miralax w/gatorade -NPO after 2400 unless procedure in PM, then NPO x 4 hrs -Hold ASAx5 days, coumadin x3days, NSAIDS x2days |
Created by:
ferrier.kath
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