Ejection fraction: In 37 yf the ejection fraction should be normal between 55-70%. Provided you do not have any heart problem. To be precise exact, doctor has to know wt , cardiac out put, heart rate, stroke volume& lvedv. Women have slightly high stroke volume. Not very much gender difference for ef%. Age certainly plays role. Elderly people have lessef%. Ef also depends on modality of test. Good luck.
Answered 4/14/2016
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