I'm experiencing some burning sensations around my chest and it's been going on for about a year now. It comes and goes, but its mostly on my left side and sometimes it even extends to my left hand. I've had an endoscopy, echocardiogram, and X-ray, and everything showed up normal. My doctor mentioned it might just be in my head, but I still feel it almost every day. I'm really not sure what to do at this point. Any ideas or suggestions?