hey guys today my left arm has been thrboing and hurting a bit and im scared im all of a sudden going to get chest pain and drop of a heart atack.I think i have something wrong with my veins because even with a bit of light presure on my arm or something i will loose blood flow and my arm will go pins and needles or start throbing ive had this since about 3 today and i always go thrue this and i know at 14 its super rare and everything but how do i ignore the pain because its hard not to...but is it normal to fell your veins in yout hands and other parts throb do any of you get this?