Hello,
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Well, the sympotms you have described are non specific. By non specific I do not mean that they are not significant. It means that these symptoms are not suggestive of a single diagnosis.
However I can say for sure that there is nothing Fatal or alarming . There is nothing called 'fatal GERD!'. Your GERD is probably due to the lax spinchture than the H.Pylori. And if you are overweight it will be difficult to manage with medications alone.
The change in heart rate and force is nothing to worry about. It is supposed to be that way. But if you are overly concerned about it, you may feel it all the time. Sorry to sound clichéd and repetitive. You do seem to have a component of anxiety neurosis. This might not be apparent for you, but the symptoms are suggestive. Moreover address it will un mask any other significant symptoms you may have. I would recommend a psychiatric evaluation as the first step.
You should also get a Thyroid Function tests. The congenial Gynaecological problems seems unrelated to the current symptoms. Meanwhile you should initiate a regular exercise programme which should involve 40-60 minutes of aerobic + anaerobic exercise. This will help in your GERD and palpitation like symptoms. Avoid eating late in night. Sleep on rather an empty stomach. Continue with anti ulcer medication like Prilosec.
Hope this helps
Please feel free to ask followup questions
Thank you