If you or a loved one has been told by your doctor that you have heart failure, it is understandable to feel frightened or confused. Heart failure is a common but serious and possibly progressive condition that frequently has no cure. However, by understanding your condition, following your treatment plan as recommended by your doctor and making simple lifestyle changes, you can live longer, feel better and do more.

This section explains what happens inside the body of someone with heart failure, how it can be caused and which medical tests your doctor might recommend.