Hi Pat!
I had my first flush a week ago. I'm no expert but having my friends support who were the first guinea pigs I followed their advise ( that I found later in Dr. Clark's book) to clean colon first. Some say if you don't have constipation don't have to. Boy, was I surprised! Then I started on Paragone ( before I was on Paraway Pack that was better for me) and in a week I flushed.
Because I had a heavy dull sensation in my rib cage ( no major attacks ) I decided to speed the process up a bit and followed exactly what Dr. Clark advised. VERY restricted diet with no animal fat, lot of organic apple juice with phosfood and very precisely what she says to do the last day. Was I scared? No, but I was anxious a bit.
As for the heart jolts..I have it sometimes but not very violent though unpleasant. If you smoke + drink coffee skip coffee. Ask some doctor to run the test on minerals/vitamins. Some misbalance can cause it.
Good Luck!