Yes, I got that after I read the second post, unfortunately this was the first one I read. . Anyway, please get checked out by a doctor, sometimes fibrillation is not dangerous and sometimes it is-unless you already did and I'm just repeating myself.
I do recommend the scented soap/ menthol or eucalyptus/tea tree oil ointments on the soles of the feet. I've used it for various purposes and it's been totally effective.