upper (mid) abdominal pain - all tests normal.

I have been suffering from very sharp upper abdominal pain for about 6 months. It started off as what I thought was food related. About 1 hr after eating, I'd get these sharp pains that felt like swords were stabbing me from the inside out about 3 inches above my belly button. Nothing could give me relief; I'd just have to wait anywhere between 10 mins to 2 hrs curled in a ball for the pain to pass. I never considered myself an unhealthy eater to begin with, but I then changed my diet to eating very little amounts (wasn't sure if it had to do with the fullness of my stomach), only crackers, rice, soup etc., and saw a GI doctor. He did blood work that came back normal, and an endoscopy that came back as mild Gastritis and Esophagitis and put me on a prescription for Dexilant (similar to Nexium I think) once a day. After a few weeks the pain let up and I slowly eased back into normal food (still healthy foods and not much alcohol), but then out of the blue last week I woke up with a stomach ache that progressively got worse and more intense throughout the day. By about 1 o'clock I had this terrible stomach ache that turned into these attacks every 15 minutes or so where my entire stomach had this sharp sword-like stabbing feeling, almost spasming... like a charlie horse or something, but sharper and in the upper middle part of my abdomen. This would let up a bit and then suddenly an even sharper, more intense attack 15 minutes later. After hours of excruciating, tumbled over, screaming, contraction-like pain, I was rushed to the ER where they admitted me overnight with morphine drip for the pain. Long story short (or am I already too late for that? they released me without doing any tests because no GI doctor could come see me to order them. So I saw my GI doctor the next day who sent me to have a CT scan and a HIDA scan with cck, both which came back normal. Still now, a week later, my stomach just doesn't feel right. It feels much better than that attack I had, but I can't live with these "normal" results because I'm scared to death it's going to happen again at any moment! I hate how doctors offices call you and say your test was "normal" and hang up as if that's it. Has anyone else experienced attacks like this? Most people I talk to jump to the gallbladder as the cause, but so many tests have said it's fine. Plus my pain is in the upper middle, not the upper right quadrant. Any ideas what this might be? I'm seeing my doctor in 2 weeks for a follow up, but I'm scared he's out of things to test! Any ideas/ similar situations?? I'm scared to set it off again and I don't even know what does it!