Hi. I Am 18 Y.o. Boy From Turkey.sorry For Broken

Hi. I am 18 y.o. boy from turkey.sorry for broken english.i had 2 svt attack in my life.first 1 year ago and second 2 days ago.when i was 15 i started feel something that is wrong in my hearth.sometimes it accelerates just for half second and thats it.and some times it doesnt stop and converts to the svt attack.but it was only 2 times.my hearthbeat was 200+.im really interested in weighlifting and powerlifting.but im not sure can i lift some weights?is it safe for me?cause i dont want to stop it beacause of that.i dont use medicaments dr said i will not give you any some kind of anti arrythmics for only 2 svt attack.my echo and ecg hasnt any problem.pshyologically pathologycally or hearth muscular im good.i think there is some problem in electrical system in supraventricular area.so help me please this is really my best hobby lifting weights its so hard for me breaking up :'(