i feel the same thing as you but i can feel the heartbeat on my neck and stomach too but i have anxiety problems..
i hink thats what it might be.. i get chestv pain 2 i been to many doctors and everything is ok just dont worry about its like you said it use to hapen once a week now is happening more often cuz u constanly thinking and worry about it..just relax..:)
hi im 17 yeaRS i feel my heart race and i can see it trou my chest and neck and upperstomach..its very scary i dont know why is this happenig i was put under general anesthesia 3 months ago and i had a panic attack waking up of the anesthesia since then my life have been a torture please tell me what you think this is?i get butterflies in my upperstomach too like if something moves there..i use to feel adrenaline with the butterflies feeling as well but not anymore
dude check this out. google Hypokalemia. Its a potassium deficiency. Go to the store and get a multivitamin, some potassium gluconate pills and some bayer. I had all your symptoms and I was back to normal in 2 days. also drink orange juice and eat some bananas. good luck