Hi Thanks for writing in HCM I need further information regarding 1.)your age 2.)how long you are suffering with this problem 3.)do you have symptoms of nausea /vomiting 4.) any complaints difficulty in passing stool 4.) factors aggravating your symptom5.)any chronic analgesic intake history/alcoholic 6.)are u under any cardiac or anti hypertensive medications 7.)recent trauma history ,As you mentioned your ECG , Echo test , Endoscopy all are normal ,cardiac and gastric diseases unlikely .can you mention that some medication prescribed by your gastroenterologist.my advise is to drink plenty of water,regularly timed food with every 3 hours but all in small quantity for eg 2-4 biscuits with adequate water and to avoid spicy and oily food,no alcohol,no coffee,no junk foods because you mentioned too much gas.i would be glad to provide answers to any further queries. Thanks for using HMC Have a good day! Regards Dr. V.KUMARAGURU general surgeon