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Heart Healthy Tips
What is Ejection Fraction (EF)?
01/31/2011
An echocardiogram or a nuclear MUGA are tests that determine how well your heart pumps with each beat. When your heart squeezes to eject the blood from the left ventricle (one of four chambers of the heart) to your aorta, it should push out approximately 50% to 70% of the volume of blood in the left ventricle. If this number is lower than 50% you may have damage to the heart muscle which is heart failure.

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