Wow, I have tried to post a *real* question about 15 times since last night. It just keeps refreshing the page. I tried Chrome and Safari on my Mac. So just now I created a new post (this one) and of course it posted right away. But now I am unable to delete. So my apologies for the unhelpful post remaining in the Heart Rhythm group. I feel a little turned off by this site now. Arg.