Hiii dr my age is 30 I done all below test which is came normal Blood test Urine test Sugar test Ecg test Echo test Thyroid test But once I angry Or thinking deeply of anything My body is shaking and feel that heart beat is fast also feeling pain in left side chest after relaxation it's came down I have also fear like something happening bad with me everytime checked with cardiologist they just told me it is because of anxiety disorder kindly do suggest if I have to take any medicine or consult.