Hello Sir, I am 26 year old. From past two month i am fasing stomach gas problem. After eating, i face Belching, gas vibrates in chest, cause little pain in chest on left side . that pain is pinpoint and last only a second. its very light. Some time gas go to Head, cause heavy head, some time blood pressure also increase. My ECG and Chest X ray are normal. Some time Hear rate also increase after eating.