ef hjerte|Ejection Fraction: Definition, Measurement, Causes, and Treatment,volleyball tits

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

Ejection fraction (EF) is a measurement, expressed as a percentage, of how much blood the left ventricle pumps out with each contraction. An ejection fraction of 60 percent means that 60 percent of the total amount of blood in the left ventricle is pushed out with each heartbeat.

A normal ejection fraction ranges from 50% to 70%. Ejection fraction (EF) describes how well your heart chambers (the left or right ventricles) can pump blood to your body to deliver oxygen and nutrients. Patients with heart failuref hjertee usually have。

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