Heart & Circulation

Ejection fraction

Also called: EF

What does Ejection fraction mean?

The percentage of blood pumped out of a ventricle with each contraction, usually referring to the left ventricle.

U.S. National Library of Medicine
Understanding Medical Words ↗ National Cancer Institute
Cancer Terms Dictionary ↗ CDC
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This is a plain-language Healthway explanation, not an individual diagnosis. The meaning of a term can change with the clinical context in which it appears.