hi, i am an 18 year old male who does not smoke, has no family history of heart trouble, and is in fairly good shape. i am active and run track. the other day i experienced what felt like a tight clenching in my lower chest, a bit left-off center, and just under my left pectoral. it lasted for a few minutes, and if i beathed deeply during it, it felt like a muscle in that area would pulse and clench tightly. after that went away, ive been expreincing a constant dull ache in that area wihch sometimes gets a little sharper, but not as bad as when it first happened. i also temporarily feel the same kind of
pain in other areas of my chest, including the right side and sometimes a little bit high up, and sometimes wrapping around to my back from the left. my left shoulder and arm also feel weak and slightly sore and slightly numb,, and i feel like i have tightness or cramps in my upper arm and hand. exercize doesn't seem to make it substantially worse, in fact, the problems in my arm seem worse when i am lying down or sitting than they do when i am standing or walking or jogging. the first attack of
pain happened during track practice, but it was not a terribly hard practice and at the time i was not out of breath.
im worried that this is something serious, but it seems unlikely given my background that i am having trouble with my heart, so maybe it is a nerve thing or just a tight muscle. i have been under moderate but not severe stress and that has never caused me problems like this before. any thoughts on what my problem is or what i should do?
