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What does a heart failure mean with 30 percent working?

A doctor has provided 1 answer

Heart disease: The ef is the ejection fraction or the percent of the volume of blood in the heart that is pumped with each beat. It is a measure of the ability of the heart to contract. It is normally 55 to 65 per cent. Abnormal hearts can have much lower ejection fractions. The lower the ef the weaker the heart.

Answered 10/1/2018

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