Palpitations, should I worry??

[TheFunDog]

Been having palpitations for past couple weeks... had them during menopause on and off but not for past few years.... bloods ok, awaiting ecg.
Should I be worried??

I was just sat thinking how long before someone says ring 111 - MN is obsessed with 111

Sorry my first post should have read 1,000mcg b12