This could be a heart attack and you need to see a cardiologist immediately for emergent intervention.
Myocardial infarction pain is characteristically crushing retrosternal chest pain which may move to arms, shoulder, neck, teeth, jaw, belly area or back. This can be squeezing, lasting for 20 minutes. Rest and nitroglycerin may help relieve the pain to some extent. Other symptoms are anxiety, cough, dizziness, palpitations, shortness of breath etc.