Doctors could not diagnose my disease yet.I don't that I'm suffering from which disease.I have several symptoms:Heartburn,Ingestion,Heart palpitations,Chest discomfort,Nausea,Left arm pain that comes and goes away,Lightheadness with dizzy feeling,Sweating.High blood pressure and High pulse rate.I'm 14 years old and got checked by several medical specialists .It has been happening with me for two weeks