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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.

Research analysis led by Kamal Patel.
All content reviewed by the Examine.com Team. Published: Jul 5, 2013
Last Updated:

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Things To Know & Note

Also Known As

LVEF

Human Effect Matrix

The Human Effect Matrix looks at human studies (it excludes animal and in vitro studies) to tell you what supplements affect left ventricular ejection fraction
Grade Level of Evidence
Robust research conducted with repeated double-blind clinical trials
Multiple studies where at least two are double-blind and placebo controlled
Single double-blind study or multiple cohort studies
Uncontrolled or observational studies only
Level of Evidence
? The amount of high quality evidence. The more evidence, the more we can trust the results.
Outcome Magnitude of effect
? The direction and size of the supplement's impact on each outcome. Some supplements can have an increasing effect, others have a decreasing effect, and others have no effect.
Consistency of research results
? Scientific research does not always agree. HIGH or VERY HIGH means that most of the scientific research agrees.
Notes
grade-c Minor - See study
10mg resveratrol appears to improve left ventricle function slightly
grade-c Minor Very High See 2 studies
Appears to increase LVEF in person suffering from cardiovascular ailments; preliminary evidence suggests that this is not limited to myocardial infarction
grade-c - Moderate See 2 studies
Supplementation of vitamin E has failed to influence the activity of the cardiac tissue itself.

All comparative evidence is now gathered in our ​A-to-Z Supplement Reference.

The evidence for each separate supplement is still freely available ​here.

grade-d