No changes necessary. You may be asked not to take this medication before the test. Put on surgical gown. Swallowing the tube is uncomfortable, difficult and frustrating for some people. Once the tube is in place, the remainder of the test causes little discomfort.
Discomfort disappears when the test is finished.
Equipment used Fluoroscope. Spring-loaded capsule for biopsy. Thin polyethylene tube. Description of test You or a close relative will be required to sign a consent form after the procedure has been explained to you. Surgeon sprays back of your throat with a local anesthetic.