I could have written your posts, word for word.
I too have had every blood test known to woman, as well as full cardiology tests - ecgs, echo scan, 24 hour monitor etc.
My symptoms are palpitations (mostly in the early hours, waking me up), anxiety (again, in the early hours), insomnia, feeling like I'm buzzing or vibrating, fatigue, mood swings, low blood sugar issues, dry skin, hair and nails, loss of libido and cycles that vary in length anywhere between 3 and 4 weeks.
My GP won't entertain peri, saying I'm too young at 45, and my FSH level 3 months ago was normal.
However, there ave been times over the last 2 months that I have felt like I was either going slightly mad, or had a serious illness!
I have now booked to see a specialist, in the hope of getting some answers.
In the meantime, this site has proved a life-saver.xxx