I had this test done 2 weeks ago. I was told that it would show if I had two swallowing conditions that would be dangerous to have surgery with. As long as this test came out negative I would still be a good canidate for surgery. It was very uncomfortable, but I got through by keeping my head forward and relaxing. (Go to your happy place). Take deep breaths and try to relax. Only swallow when told and it goes fast. When they pulled the thin tube out it was a little painful in my sinuses, but was fine within a short amount of time. And back to work the same afternoon.
Right now I have the probe for the Bravo in. Not as simple as I had thought. The proceedure was easy and no problem, but now each swallow feels like a rough ball just above my stomach. However it is only 48 hours, I'll be done by noon tomorrow!