Hey there, I do not know the answer to your question but I would guess a cardiologist would be able to tell you how things are done today compared to 15-20 years ago.
Perhaps another member will have an answer for you.
~~Kitt~~Moderator: Anxiety, Osteoarthritis,
GERD/Heartburn and Heart/Cardiovascular Disease. www.healingwell.com"only as high as I reach can I grow, only as far as I seek can I go, only as deep as I look can I see, only as much as I dream can I be"