EF

Last Updated on January 7, 2025 by Analgesia team

EF Medical Abbreviation

The EF is a medical abbreviation that stands for Ejection Fraction. The Ejection fraction compares the amount of blood in the heart chamber to the amount of blood pumped out. The percentage pumped out is your heart Ejection fraction.

Heart failure is a term for a heart that cannot pump enough blood out to the body. When a heart problem like heart failure is suspected, your healthcare provider may wish to order a test of your heart’s Ejection fraction or its ability to contract well and pump out blood to your body.

When your heart Ejection fraction is normal, about 50% to 70% of your blood is pumped out from your heart chamber during each contraction.
With the normal Ejection fraction, your body has all the blood supply it needs to perform all your regular activities. A borderline Ejection fraction means that your heart is pumping a little less than half of the volume of blood in the chamber.

A borderline Ejection fraction is around 41% to 49%. With the borderline Ejection fraction, symptoms like shortness of breath may become noticeable during regular activities. This is because oxygen rich blood is not getting adequately pumped through your body.

A reduced Ejection fraction is when roughly 40% or less of your blood is pumped out of your heart. With the reduced ejection fraction, symptoms become noticeable and may even happen at rest. And again, performing regular activities become hard to do. This may be referred to as the heart failure with reduced ejection fraction (HFrEF).  The good news is that many people are able to improve their ejection fraction and reduce symptoms with proper care and treatment

 

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