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Left Ventricular Ejection Fraction
Left ventricular ejection fraction (LVEF) is the capacity of the heart to 'pulse' blood out of cardiac tissue and into circulation, and is a biomarker of cardiac health. The reduction in LVEF seen during cardiac ailments tends to be a focus of rehabilitation.
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"Left Ventricular Ejection Fraction," Examine.com, published on 5 July 2013, last updated on 29 April 2017, https://examine.com/topics/left-ventricular-ejection-fraction/