衛教資訊
Gastrointestinal Tract (GI) Series 腸胃道鋇劑攝影檢查說明
Gastrointestinal Tract (GI) Series 腸胃道鋇劑攝影檢查說明
2023/8/29
What is a GI series?
A GI series (barium enema) is a set of X-rays taken to examine the esophagus, stomach, small intestine, and colon. X-rays are taken after the patient has swallowed a barium suspension (contrast medium) or injected barium through the anus.
What is the purpose of test?
- Confirm diagnosis of colon cancer, gastric cancer, ulcer, bowel inflammatory disease, and etc.
- Detects polyps and structural changes in the GI tract.
- Dyspepsia.
- Body weight loss.
- Change in bowel habit
- GI tract hemorrhage
How does the patient prepare?
- Lower GI series:
- 3 days prior to the examination: low residue diet.
- On the day prior to examination: fluid only and take Ducolax at 8 a.m. and 6p.m. for cleansing enemas.
- Nil orally for 4 hours prior to the examination.
- Upper GI and small intestine series:
- Nil orally for 4 hours prior to the examination.
- No smoking on the day
- Generally, oral medications may be taken.
What are the risks?
- There is low radiation exposure. However, please note that pregnant women and children are more sensitive to the risks of X ray.
- A more serious risk is a perforated GI tract, which is very rare.
- Aspiration for upper GI series.
How is the aftercare?
The patient should be warned that his bowel motion will be white for a few days after the examination, and keep his bowels open with laxatives to avoid impaction, which can be painful.
- 中華民國放射線醫學會衛教網站 - 幸輻知識+(2019,10月30日).上消化道攝影簡介。https://www.rsroc.org.tw/knowledge/education/content.asp?ID=58&pageno=1&continue=Y
- Kostic, S. V., Rice, T. W., Baker, M. E., Decamp, M. M., Murthy, S. C., Rybicki, L. A., Blackstone, E. H., & Richter, J. E. (2000). Timed barium esophagogram: A simple physiologic assessment for achalasia. The Journal of thoracic and cardiovascular surgery, 120(5), 935–943. https://doi.org/10.1067/mtc.2000.110463
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- Neyaz, Z., Gupta, M., & Ghoshal, U. C. (2013). How to perform and interpret timed barium esophagogram. Journal of neurogastroenterology and motility, 19(2), 251–256. https://doi.org/10.5056/jnm.2013.19.2.251
- Semenkovich, J. W., Balfe, D. M., Weyman, P. J., Heiken, J. P., & Lee, J. K. (1985). Barium pharyngography: comparison of single and double contrast. AJR. American journal of roentgenology, 144(4), 715–720. https://doi.org/10.2214/ajr.144.4.715
製作單位:醫學影像部 編碼:HE-T2010-E
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電話:(04) 22052121 分機 13331
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