Hi Elaine, I had some serious chest pain just the other night after eating. I eventually chewed two of my chewable gas-X and it took care of it...who knew? I agree with Kitt though, I never had the palpitations, so I would certainly check with your Dr.
I still get esophageal spasms when I eat and sometimes when I drink...that will cause pain in my chest, but I know it's from the food getting caught or not going through the valve.
Let us know how you're doing.