I've been having upper middle discomfort since Friday. I went to the doctor today but I've noticed it doesn't hurt when I'm still only when sitting or moving sometimes. I'm freaking out thinking I have an unruptured anuersym or ulcer or that I'm going to have a heart attack. I thought about a pulled muscle but the only thing I've done is carry my 50 pound son when he was sick Thursday night. I'm so scared I'm about to drop dead.