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Ejection Fraction

Stroke Volume SV
ml
End-Diastolic Volume EDV
ml
Ejection Fraction EJ:
%

Calculation Formula

Ejection Fraction EJ = SV/EDV

Explanation

English Name: ejection fraction, EJ

Normal Range: 55%～65%

Compared to stroke volume, ejection fraction more accurately reflects the heart's pumping function and is significant for early detection of abnormal heart pumping function.

Related Formula: Stroke Volume (SV)

References

Research Paper Yao Tai, Editor-in-Chief. Physiology (Eight-Year Program) (2nd Edition). People's Medical Publishing House. 2010. p148.
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