What does "Left ventricular ejection fraction" mean in a report or doctor's letter? In our medical dictionary, you will find a patient-friendly explanation of the meaning of this medical term.
Left ventricular ejection fraction is a measure of how well the heart is pumping blood. It specifically refers to the amount of blood the left side of the heart pumps out with each beat. A normal range is between 50% and 70%, meaning that with each heartbeat, the left ventricle pumps out that much of the blood it contains. Lower percentages may indicate a heart condition.
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