Well Hi there Brenda !!! It,s good to hear from you. And yes, them Grandchildren are certainly a "Gift from God" I enjoy every moment I can spend with each of mine.
I,ll try to answer as many of your questions as I can. However we seem to have another Thunderstorm brewing,and I may have to shut down. Last night was so eventful with heavy rain,and high winds,and severe "Cloud to Ground" lightning, that in comparison to Irene passing through...It was worst.
How long do your batteries,or ICD last? There are alot of determining factors,I think you have the "CRT-D" Which paces,delivers heart function therapy, and delivers a high energy shock, get it back into a normal rhythm.
I have the same type also. Here is a link that can assist you in your questions,and also has a link to "Medtronic,s" website. Under the Table of contents section, click on # 2 and it will give you a better explanation..