This post was originally on the Arrhythmia Alliance site..... I have tried to convince my GP and Cardiologist for 2 years now, that food bears some connection to SVT for me anyway. Eventually I got a referral to a Gastroenterologist who did numerous blood and urine tests, before Christmas. Apparently I have Irritable Bowel Syndrome all other blood and urine tests are clear, and he referred me on to a Dietician. I found something interesting when I tallied up my episodes over the past two years. The episodes were three (3) times higher after food than any other recorded ones, like stress excercise etc. I said I would be letting everyone who has helped me on this forum know what had transpired. Unfortunately its now another condition with an unknown cause, at least I know what it is. which one comes first the stomach wind/gas or the AF/SVT I have yet to work out, it seems to be at the same time. If there is anyone who has experienced this, or knows about IBS (Irritable Bowel Syndrome) I would appreciate some feedback, thanks to all.