Chest Pain

I had the Nissen surgery on 1/23/2015. Started having chest pains about 2 weeks ago I was thinking heart. Went to the heart Dr EKG stress test and Car up the leg and no heart problems. Put the pain is still there it moves from left side to breast area. I cannot burp. This pain is starting get to me. Will GasX help. Any help thanks.

This has been going on for over 2 weeks. The pain was so bad I swear I was having a heart attack. But I now know my heart is good. A now the pain has moved from the left side to under my breast bone.