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ejection fraction

 

Definition: the fraction of the blood contained in the ventricle at the end of diastole that is expelled during its contraction, the stroke volume divided by end-diastolic volume, normally 0.55 (by electrocardiogram) or greater; with the onset of congestive heart failure, the ejection fraction decreases, sometimes to 0.10 or even less in severe cases.

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.

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