I don't always get my heart palpatations with my GERD, but they have started about
the same time my GERD started.
I get this heavy feeling in my heart, like my heart has too much blood in it or something, then it does a couple of really big beats and I'm back to normal. It scares me when it happens. (One time it happened while I was half-asleep half-awake. I thought I was dying from a heart-attack!)