Only your doctor can tell you if you have heart failure.
Physicians often order a number of tests when exploring a possible diagnosis of heart failure.
Many of them are painless and simple. The ejection fraction is a measurement of how well your heart is pumping. People with a healthy heart usually have an ejection fraction of 50 percent or greater. Most people with heart failure, but not all, have an ejection fraction of 40 percent or less. January 03, 2001.