Chest Pain

Dear all, I feel severe pain on the right side in my chest. can anyone help me what should i do to cure it. I have consulted many doctors even cardiologists. The disatrous thing happened to me when I was only 19 and a doctor prescribed me a 50 mg atenolol medicine for my  chest pain. I stopped taking that pill. pls help me. I also have breath shortening problem whenever I feel pain in me chest.

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