Hi,i am 24 years old male,2 months ago,i keep expericing chestpain,numbness in arms,light headness and shortness of breathe too,so i went to the A&E dept they did multiple ECGs,chest xrays ,which turn out fine,just sinus tachy,then blood test came out fine,but the thing is till today i kept expericing palpations daily,sometimes shortness of breathe and light headness,i did an echodiagram last month which came out fine,then a stress test which i did for 5 mins then i stopped because i feel ou