should help. Strictly monitor your diet to keep GERD
under control. Avoid all aerated drinks and caffeine (esp. tea) related drinks to keep GERD under control.
There is no sure way of differentiating between two so it is always GOOD to be a bit over-cautious.
Some symptoms that might alarm you as it being heart related-
1. Chest pain
radiating to left shoulder
2. Excessive sweating
and/ or urination during/ after chest pain episode
3. Pain not relieved by ur normal Meds.
Also, complications of high BP
can mimic the pain so you really need a combination of life-style modification and prescription Meds to keep all health ailments under check.