Joanna if you don't want to watch a video. Here are the stages and classes spelled out clearly. https://www.heart.org/en/health-topics/heart-fa...

Any heart failure is cause for concern, don't think too much.. But remember who is in charge of you. Your God that lives inside you..

Thanks for info re classes..very helpful..🥰

Joanne, These videos might help with that. https://www.myheartdiseaseteam.com/questions/65...

Sorry Joanne I really do not know the answer but I am sure someone will.