Hey guys, I need some serious help with this one. My girlfriend gets these random chest pains. It started when she started to run alot for her lacross team and now her chest will randomly start hurting when she's just sitting down. She first went to a pediatrition and she had to do some breath test thing and they told her that she had activity induced asthma. Then she switched doctors and they told her she definately doesn't have asthma but they told her to go to a cardiologist so she went, and they told her she has a strong heart but she has pulled muscles in her chest. The thing is though I really don't think its pulled muscles because it shouldn't hurt her when she is doing absolutely nothing, like she'll just be laying down and she'll start getting sharp pains. Does anyone have any input on what this might be? And how can this problem be fixed?? This kind of stuff gets me worried so any help will be greatly appreciated. Thank you