hi hope you can help me, my heart has been racing for a long time now but i have been to see my doctor and i got put on film-coated tablets, i v been on them for a week now i felt like there was working but now i m staring to feel somthing els, i dont feel like my heart is going fast any more,i just feel like i have 2 different beats......i feel the pulse in my neck and at the top of my tummy and i feel the pulse in my chest all at the same time, its like a BIG beat but at a different speed....as if i had 2 hearts,what is that? thanks :-)