Hi again! I am glad that you have joined us in regards to your anxiety questions...and I see that you are also getting some help in the GERD forum as well...that is great.:)
Have you considered therapy for treatment of your health anxiety? It can be extremely effective in reducing the worries that you are dealing with.
If that is not an option for you, there are books that are of the self-help variety that you may find beneficial...here is link to a couple that could help.
http://www.amazon.com/Overcoming-Health-Anxiety-David-Veale/dp/1845298241
http://www.amazon.com/Treating-Health-Anxiety-Cognitive-Behavioral-Approach/dp/1572309989
Also, I don't know if you have read through this thread (below), but you may relate well and find something that clicks with you and that you can use for your own recovery!
https://www.healingwell.com/community/default.aspx?f=9&m=2330752
I wish you the best, and encourage you to keep posting...we are here and listening.:)
S.C.