Chest pain. Please help me. please help.

Hi, I am a 24 year old female working professional. I often experience chest pain in the left side like pins and needles. Sometimes it's in the middle of the chest or the left side. The pain feels like pinching or burning sometimes. Other times it's stuck. Chest feels heavy and tight sometimes. My left arm feels the pinching sensation as well along with the left back side. I feel like I am unable to breathe but breathing is normal. I feel dizzy sometimes. All these made me so scared and panic about heart attack. All day i am scared that i will suffer a heart attack. I did many ecgs, blood tests, left, holter, everything is normal. In one the ecg it said that T wave inversion in V2 lead, otherwise everything is normal. Additionally, I have gastric problems everyday. I am very scared about dying and heart attack. Please help me. Please help.