Hi -
My wife recently bought a rebounder (Link removed by Admin to adhere to Forum Rules & Guidelines re Advertising\Promoting) for her own use - which I was keen on her doing as I thought it would be a good option for me to do cardio with my afib.
So far, so very very good. You have complete control over your level of intensity. It feels like I can get a pretty good workout and keep it just at the right level that its manageable with my afib - and it feels like its doing me a lot of good.
I recommend looking into one of these - and no, this is not a paid promotion