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What is Ejection Fraction – EF?

April 26, 2017EF ejection fraction

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What is Ejection Fraction – EF?

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An ejection fraction (EF) is one of the measurements used by your doctor to tell how well your heart pumps with each beat. • Ejection refers to the amount of blood that is pumped out of the left ventricle – the main pumping chamber – during each heart beat. • Fraction refers to how that amount compares to the total amount of blood in the left ventricle. Therefore, an ejection fraction is the percentage of blood pumped out of the left ventricle with every heartbeat. ………………………………………………………………………………………….