It's not bad at all. I had it done a week ago & go to doctor tomorrow to get results. This was my experience.
A little uncomfortable as tubes are inserted, but didn't find it was a problem. I have a super gag reflex and thought it would be a problem, but the nurse was real good at it. They use a very thin tube and it is inserted thru the nose. For the manometry (motility), I was in a semi reclining position after insertion of probe, & they gave me small sips of water to swallow. They move the probe up slowing and have you sip water again. This measures the pressure in the esophagus. It took about 20-30 min. My nurse even played music while it was being done.
For the 24 hr PH/Impedance, a very thin PH probe is inserted in, which is calibrated before insertion, they use the manometry results as a guide as to where to place the PH probe. Once the probe is inserted, they tape it to your nose & face and you have small monitor with you (mine had a strap to put around my neck-laid on bed at night). Then you just do what ever you normally do-eat, exercise, etc. Just no showering because of electronic monitor.
Hope this helps you a little. Hope all goes well tomorrow,
