 [ Symptoms ] does heart burn cause increased heart rate  i get this feeling of a burning sensation that starts in the top of my stomach and then cause my heart to pound and increase to 135 beats per min i then feel nauseous and get some anxiety [ Disease ] in my point of view i see you are having ibs typically may be you got a gastroenteritis recently but taking metronidazole can heal this in 5 days i would advice you as my patient to stick to a high fiber diet with small 5 meals daily with practicing some yoga and meditation