Hiya.
Last year I had no idea palpitations were related to menopause. My period suddenly stopped and after months of feeling totally unwell, nauseous, fatigued and occasional bouts of alarming palpitations when I thought I was dying, my GP referred me to a psychiatrist for health anxiety and I started anti-depressants. The palpitation bouts would last a few hours. They were completely unrelated to stressful situations and affected my quality of life enormously. I really didn't put two and two together at that point and realise it was menopause. I was utterly terrified something serious was wrong with me.
I found this site and asked my GP for HRT. I was given Elleste conti and it made no difference to my condition. I waited months for a referral to the local menopause clinic and when I went, they changed the HRT preparation to Femoston conti. After one month, I still felt dreadful and my BP was fairly high so my GP prescribed low dose beta blockers, which I take every morning. With the new HRT, AD's and propranolol, I started to feel SO much better. It was wonderful. Two months later, I appreciate every day of normality after about a year of sheer hell.
I'd definitely recommend trying beta blockers for palpitations. Palpitations lead to horrendous anxiety, which brings with it loads of other symptoms. I really wish I'd started these meds a year ago, because I've lost so much time worrying myself sick.