The four grades of heart failure are:
- Class 1
- Class 2
- Class 3
- Class 4
Here is more information about each of those stages.
Class 1 Heart Failure
This is when an individual is diagnosed as having heart failure where symptoms aren’t present during regular activity. Someone with Class 1 heart failure wouldn’t expect to feel fatigued or have any noticeable symptoms while being active.
Class 2 Heart Failure
An individual with Class 2 Heart Failure wouldn’t notice any problems with their heart while resting but will get symptoms, usually of shortness of breath, while being quite active. Someone with Class 2 heart failure may notice heart palpitations as well as breathlessness.
Class 3 Heart Failure
An individual with Class 3 Hear Failure typically feels be fine while resting or sitting down, but would quickly notice symptoms, usually of shortness of breath, on mild exertion, i.e. anything that wouldn’t be considered ordinary physical activity.
Class 4 Heart Failure
With Class 4 Hear Failure, an individual would experience symptoms while sitting or resting or on minimal exertion.