How Can Palpitations Be Treated?

I am having a procedure to correct a much too speedy heartbeat. They are going to SHOCK me in order to effect this. I also have suspicious areas on 3 sites of the prostate. I am told that I am in group; 4 of prostate cancer problems. I know that my diet leaves a lot to be desired. I am 82 years old. Recovering alcoholic with no liquor or tobacco use do 10 and a half years. I have COPD, sleep apnea, CHF hep b nd hep c. I have VERY POOR BALAnCE AND POOR COORDINATION, THANKS FOR YOUR HELP. Heart operation on July 7 and biopsy wihin next five weeks. Would ayurvedic treatment help? I am Nicheren Buddhist (meat eating). Thank you very much. John