The EF (ejection fraction is the number given to the efficiency of the left ventricle and it’s pumping capacity. If you are 50-55 and over you are doing well...number given under 40 are cause for concern. The EF reading can vary from time to time and usually show up during an echocardiogram. Ways to improve your EF are better lefti to comments from people like cardiologists or other posters who are familiar in this space.

Google is always a great source.....meanwhile..tic..toc.