Barium enema Flashcards
(15 cards)
Which barium enema method is preferred for demonstrating the mucosal pattern of the colon?
Double contras
For which three situations is single contrast barium enema typically used?
Localization of an obstructing colonic lesion, imaging children, and reduction of an intussusception.
What type of contrast is recommended for localizing an obstructing colonic lesion, and why?
Water-soluble contrast, because surgery or stenting may be required shortly after the procedure.
What dietary preparation is required for a patient 2 days before a barium enema?
A low residue (low fibre) diet.
What bowel preparation involving laxatives is typically instructed before a barium enema?
Laxatives to be taken 2 days before the examination.
Describe the bowel wash preparation typically done before a barium enema.
Tap water enema on the previous night and at 7 a.m. on the day of examination.
In which four clinical situations should bowel preparation not be performed before a barium enema?
Diarrhea, total obstruction, paralytic ileus, and in children less than 8 years of age.
What patient position is required for the insertion of the enema tip into the rectum?
Sims position
What should be done with the barium mixture and the rectal tube before inserting it into the patient?
Run a little of the barium mixture into a waste basin to free the tubing of air, and heavily lubricate the rectal tube well with a water-soluble lubricant.
What should the patient be advised to do during the insertion of the rectal tube to minimize discomfort?
Relax and take deep breaths.
How far should the rectal tube be inserted into the anal orifice?
No more than 4 inches (10 cm)
What should be done with the enema tip after it is inserted, before fluoroscopy?
Hold it in position to prevent slipping while the patient turns to the supine or prone position.
When might the retention cuff of the enema tip be inflated?
After the enema tip is inserted and the patient has turned to the supine or prone position for fluoroscopy.
List five indications for a single contrast barium enema.
- Uncooperative, very debilitated or immobile patient
- Evaluation of acute obstruction or volvulus
- Reduction of intussusception
- Showing the configuration of the colon
- and when only gross pathology is to be excluded.
List five contraindications for a single contrast barium enema.
- Allergy to barium suspension. risk of perforation
- Peritonitis.
- Suspicion of acute/fulminating ulcerative colitis.
- Following a recent deep biopsy.
