question: Hi I just want ask I've been having lower chest pains not all the time but at least twice a day.I have already went to my doctor and I had a EKG done and that look good so I was told that i might have a sliding hiatus hernia  so I've been taking pills for that.I had some relief but I'm still having pain.I just want to know when should I be worried .So if I can get any advice I would really appreciate it .