When more than one diagnostic study is to be done, which of the following would need to be conducted first?
A) Upper gastrointestinal (UGI) series (barium swallow)
B) Fiberoptic studies
C) CT studies with IV contrast any time after iodine uptake blood studies
D) Lower gastrointestinal (GI) series (barium enema)
E) CT studies of the abdomen or pelvis

Question

Quizplus · Accepted Answer

When more than one diagnostic study is to be done, the studies are performed in the following order:
1. All x-ray examinations that do not require contrast media
2. Any laboratory studies or nuclear medicine procedures that involve iodine uptake
3. CT studies with IV contrast any time after iodine uptake blood studies
4. Radiographic examinations of the urinary tract
5. Radiographic examinations of the biliary system
6. Fiberoptic studies (e.g., gastroscopy, endoscopy, sigmoidoscopy, colonoscopy)
7. CT studies of the abdomen or pelvis (done before barium studies)
8. Lower gastrointestinal (GI) series (barium enema)
9. Upper gastrointestinal (UGI) series (barium swallow)

When More Than One Diagnostic Study Is to Be Done