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Ejection fraction can improve in some people on proper medical therapy. While exercise doesn't result in the significant improvement in heart function (in most studies) that we'd hope for, it can improve quality of life and functional capacity. I'd talk with the cardiologist about an exercise prescription and whether cardiac rehabilitation could be a possibility.
A normal LV ejection fraction is 55 to 70 percent. The ejection fraction may decrease if: A heart attack has damaged the heart muscle such that it cannot forcefully contract. The valves of the heart are not working properly. Blood pressure has been uncontrolled for a long period of time.