The gastrointestinal (GI) system of the human body is complex and is studied and examined as the upper gastrointestinal and the lower gastrointestinal units. The human digestive system begins at the oral cavity where the food is received and to the rectum and anus from where it is excreted. A gastrointestinal X-ray examination aims at the imaging the various components of gastrointestinal tract to diagnose any abnormalities.
Who performs a gastrointestinal X-ray examination ?
A gastrointestinal X-ray examination is performed by a gastroenterologist along with a radiologist and a technician who is trained for the same.
Where is the gastrointestinal X-ray examination performed ?
Gastrointestinal X-ray examination is performed in a hospital set up or an endoscopy clinic.
When is a gastrointestinal X-ray examination advised ?
A Gastrointestinal X-ray examination is performed either when you have certain symptoms which could be diagnosed with the help of a Gastrointestinal X-ray examination or you are diagnosed with certain conditions which need to be examined.
The symptoms which could indicate towards a Gastrointestinal X-ray Examination are as follows.
- Constant Nausea
- Constant cough and chest pain
- Difficulty in swallowing food
- Vomiting episodes, frequent and unexplained
- Indigestion
- Blood in stool
The conditions and diseases where a Gastrointestinal X-ray Examination is advised are as follows.
- Gastric reflux disease
- Ulcerations in the gastrointestinal tract
- Blockages in the gastrointestinal tract
- Scarring of the gastrointestinal tract
- Hernia, abdominal and umbilical
- Defect in the muscles which make up the abdominal wall
Above mentioned are the most common and frequent indications of a Gastrointestinal X-ray examination, but it is always advised that you seek a thorough consultation with your gastroenterologist to see if Gastrointestinal X-ray examination is suitable for you.
When a gastrointestinal X-ray examination should not be performed ?
Gastrointestinal X-ray examination should be avoided in pregnant women and lactating mothers and also in individuals who are advised to avoid any type of radiation exposure.
How do you prepare for a gastrointestinal X-ray examination ?
Your gastroenterologist will do a complete and thorough clinical and physical examination before sending you for the Gastrointestinal X-ray examination. It is always advised that you share your detailed medical history and medication history with your treating doctor as some medicines might interfere with the test results. Your doctor might advise you for certain dietary changes and you will be strictly asked to stop smoking and alcohol consumption. You will also be asked to avoid eating and drinking anything at-least 10-12 hours before the procedure.
Are any contrast media used during gastrointestinal X-ray examination ?
Yes, barium is used as a contrast media while imaging the gastrointestinal system. Some other contrast media may also be used. It is advised that you ask your doctor about the type of contrast media which will be used and if you are allergic to it. The contrast media barium is injected into the colon via the rectum or given as barium swallow.
What happens during a gastrointestinal X-ray examination ?
The Gastrointestinal X-ray examination is performed in a healthcare setup or an endoscopy lab. Your doctor might sedate you before the procedure. You will be positioned on a tilting X-ray table which can be repositioned as per the requirement.Gastrointestinal X-ray examination can be divided into two types, depending upon the technique used and the organs imaged.
- Upper Gastrointestinal X-ray examination for esophagus, stomach, and small intestine
- Lower Gastrointestinal X-ray examination for large intestine and rectum
The test which needs to be performed is decided by your doctor after a thorough examination of you clinically. The examination table is tilted as per the requirement during the test. For an upper Gastrointestinal X-ray examination, the table is kept in vertical position whereas for a lower Gastrointestinal X-ray examination the table is in horizontal position and is then tilted when required to obtain the images at different angles, the fluoroscope also moves during the test to obtain more images from varied angles. The test usually takes about twenty minute to an hour. Sometimes external pressure is applied on the abdominal region to get clearer images. Once the test is completed will be monitored for a few hours and then will be allowed to go home. The reports will be made available to you as per the reporting policy of the hospital or the clinic.
What are the risks and complications associated with gastrointestinal X-ray examination ?
Gastrointestinal X-ray examination is a rather safe diagnostic procedure but one may be allergic to the contrast agent and sometimes may be unaware of it. Sometimes the contrast media is also retained after the test hence such diagnostic procedure is not indicated in individuals who have gastric obstruction. Since this test uses X-ray for imaging, it might carry the slight risk for cancer dur to radiation exposure. The test should be strictly avoided in women who are planning to conceive or are pregnant as it may be harmful for the fetus. The risks are less when compared with the diagnostic benefits of a Gastrointestinal X-ray examination but it is always advised that one should discuss the risks, benefits, outcome and suitability of one procedure before going ahead with it.
Disclaimer: The content provided here is meant for general informational purposes only and hence SHOULD NOT be relied upon as a substitute for sound professional medical advice, care or evaluation by a qualified doctor/physician or other relevantly qualified healthcare provider.
