GI Imaging Flashcards
What does KUB stand for?
Kidneys, Ureter, Bladder film
What can a plain XR (KUB) evaluate?
Obstruction, impaction, renal stones, ileus, foreign body, masses, free air
What structures are visible in a KUB?
Diaphragm, stomach, liver, kidney, ureters, spine, pelvis
What are the benefits of a plain XR?
Quick, inexpensive, minimal radiation, can be bedside
What patient cohorts are abdominal XR most effective?
- Children
- Acutely ill
- Not very sick/low clinical suspicion
What is haustra?
The haustra refer to the small segmented pouches of bowel separated by the haustral folds (indentations)
If assessing for a perforation always have the patient in what position?
Erect position for CXR
When do you order an ultrasound?
Any concerns with the biliary tree, solid organs, or masses
What are side effects of abdominal CT’s?
Anaphylactoid reactions (iodine or barium used for contrast) or contrast-induced nephropathy
When do you order a barium swallow study?
- Dysphagia
- Odynophagia
- Chest pain after cardiac ruled out
How is a barium enema administered?
Barium liquid is instilled into the large intestine through the anus
When do you order an EGD or colonoscopy?
- Reflux/heartburn, trouble swallowing
- Stools changes, blood in stool, lower abdominal pain
- Cancer
What can an EGD or colonoscopy detect?
- Any lesion in the GI tube
- Allows for visualization and biopsy/removal
When do you order an EGG?
- Dysphagia
- Odynophagia
- GERD
- Barrett’s esophagus surveillance
What is ERCP used for?
To diagnose problems of the bile and pancreatic ducts
