Your bloated stomach would be the cause of your chest pain. You are suffering from severe case of gastritis. If the same issue has persisted for a longer time you will need further evaluation like endoscopy. If the symptoms are short lived only medication will suffice.
Next Steps
you have to start on ppis with a pro kinetic agent .
Health Tips
try to limit your eating and have timely meals . consult a gastroenterologist for further medication .