I am having frequent left hest pains that comes and goes for some Seconds and left arm pains too . I ama21 years male weight 65 no diabetes, good cholesterol,no thyroid, I fear alot of having heart attack I met cardiologists they did 2D scanning and stress test which came back normal I met many gp doctors had ecgs upto 10 were all are normal were I saw slight ST elevation v4 even they matched with my old ecgs and said everything is very normal and they are saying I have nothing related to heart .I just couldn't sleep of this fear is something really wrong or am I fine doctors ?