The pattern in which these appear is sort of the hallmark of a “Benign PVC” associated with shifts in the balance of hormones and brain chemicals floating around. Unfortunately there’s not much that can be done because the cause for these things is not the heart per se. Good news is they won’t kill you at least!
Also 55% is not a “Borderline EF”, whoever labeled that is just wrong. Depending on literature used the normal number changes but the guidelines are pretty clear as to what constitutes a “Bad” EF.
A concerning EF for a PVC patient is 40% or less (with symptoms). 50% - 80% is completely normal.
Without symptoms we really need to see an EF lower than 30% or at least sub 35% to be concerned.
As for the 4K number.
This isn’t nearly as important as the burden percentage.
What matters is what PERCENTAGE of total heart beats are ectopics. If your heart rate is really slow, 4K May be a higher burden than if it’s a bit faster at rest.
On the report this should be labeled.
I am also suffering from pvc’s and the only abnormality in my blood test was low vitamin D. Have you found any research that vitamin D deficiency can cause pvc’s?