@barb61 Hi and welcome to connect. Mayo connect is a place where people of similar health concerns can find others who have similar issues for questions or just want to Connect with others and share experiences. There is no particular requirement to share any more than you wish but as you feel comfortable can we know what health concerns you may have or that interest you and we can get you to that particular area of interest.
To reply to a particular person like say me you can hit the reply and add the person @name for an example to get a message to me you would start by putting @danab and i will be alerted that you responded to me. So if i can be of any additional help please let me know.
Have a Blessed Day
Dana

Hi @barb61, I'd like to add my welcome. What brings you to Mayo Clinic Connect? Do you have a heart condition? Are you concerned about your health?