Dear Welcome to HCM We understand your concerns I went through your problem description. I am happy tht you are aware of your gastric problems. Gas pressurises the diaphragm upwards and squeeses the lungs and heart sheeth which is experienced as tightness and pain. Whenever there is acidity, this pain is present. It is importnt to understand the cause and symptoms to avoid anxiety. This chest pain should be distinguishable. Keep fit and be healthy. Eat moderte nutritious food, exercise, keep yourself active, Eat non acid food, avoid red meat etc. This life style can definitely help you to clear acidity. Also have garlic and ginger everyday alongith breakfast. Meditate for 20 minutes daily. Hope this answers your query. Available for further clarifications. Get well soon.