I saw my GI last monday and he scheduled me for a hydogen breath test. Did anybody have one of these tests? The nurse setting the test appt up told me the worst part of the whole thing was sitting at the office for 3 hours and going back to blow into something every 15 minutes. He also told me that he is retiring at the end of the year. He doesn't know if his partners will keep me on or if he was going to send me elsewhere. He did mention Johns Hopkins and University of Maryland.