Re: correlation between chest tension and ectopics
You could try some deep breathing exercises to calm the tension perhaps. Anxious people tend to shallow breathe and only use the top of the lungs. Sometimes deep breathing can restore the balance. If you're not used to doing this though, you may experience a little lightheadedness at first. Other than that, try some natural herbals such as Kalms or Valerian which are nature's tranquilisers.
I've had these ectopics all of my adult life and like you say there are lots of situations or stimulating food or drink that can set them off. I take beta blockers which help to calm these palpitations down and i'm just coming to the end of a 5 day run of them which doesn't happen too often nowadays thankfully as I usually only feel one or two a day and haven't had a run of them for a year.
I can only guess at what started them...from a gassy stomach to the hayfever season kicking in, but in truth I don't know for sure. I'm just one of thousands who are super-sensitive to them and ive learned to live with them without fear. I have a routine ecg every now and again and even after 40 years theyve never turned into true heart disease.
ISB ☺ x
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Without fear there cannot be courage - Christopher Paolini