Introduction		The Barium Swallow test can locate and describe any irregularities in the normally smooth surface of your esophagus.   Barium is a dense liquid used to coat the esophagus wall before an x-ray is taken. Barium is so dense that it does not allow x-rays to pass through it and shows up white on an x-ray.   In addition to barium, air can be blown into the esophagus to help push the barium towards the esophagus wall and better coat the surface. When air is added to a barium swallow, it is called a double-contrast study.
Preparation		Usually, there is no preparation, but if an upper G.I. x-ray is needed, do not eat after midnight on the day of the test.
Procedure		You will be asked to swallow a drink containing barium and then your swallowing will then be filmed by x-ray.
After the Procedure		You may be given medication to help your body rid itself of barium. If you have questions about the procedure, please do not hesitate to ask. Your nurse and doctor are ready to assist you at all times.   You should not have any trouble driving yourself home after the procedure but please feel free to ask a family member or friend to accompany you to your appointment.