I have been having severe constant aching in upper back and chest area. Also, sporadic pains sharp pains (same place). I have had a CT scan, chest x-ray, MRI w/contrast, and I just had an abdominal ultrasound (yesterday-no news on that as of yet). My cardiologist does not think it is my heart. My PCP gave me PPI's. I have tried Prevacid, Nexium, and am now on Prilosec. Nothing helps. I am scared.