ef hjerte|What is the normal ejection fraction of the heart?,alisson_spring

Ejection fraction measures your heart’s ability to pump oxygen-rich blood out to your body. In a healthy hearef hjertet, the fraction is a higher number. A low number means that your heart has difficulty keeping up with your body’s needs. If you have or are at risk for heart failure, your healthcare provider will want to know your ejection fraction.

An ejection fraction (EF) is the volumetric fraction (or portion of the total) of fluid (usually blood) ejected from a chamber (usually the heart) with each contraction (or heartbeat).

An EF below 40 percent is considered low. This may show that a person has heart failure with reduced ejection fraction (HFrEF) or cardiomyopathy — an enlarged, thick, or stiff heart muscle. A lower EF means that the heart’s pumping action is weaker.

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