Ejection Fraction

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• Ejection fraction — In cardiovascular physiology, ejection fraction (Ef) is the fraction of blood pumped out of a ventricle with each heart beat. The term ejection fraction applies to both the right and left ventricles; one can speak equally of the left ventricular… …   Wikipedia

• Ejection fraction — The portion of blood that is pumped out of a filled ventricle as a result of a heartbeat. The heart does not eject all of the blood that is in the ventricle. Only about two thirds of the blood is normally pumped out with each beat. That fraction… …   Medical dictionary

• Ejection — and ejecting can refer to the following:Accidents and safety* Ejection seat, safety device typically used to escape an aircraft in flight * To be forcefully thrown from a moving vehicle, such as in a car accidentports* Ejection (sports), the act… …   Wikipedia

• Fraction d'éjection — La fraction d’éjection est une mesure de la capacité du cœur à se contracter efficacement. Elle se calcule en divisant le volume d éjection systolique (différence entre le volume diastolique (ventricule plein) et le volume systolique (volume du… …   Wikipédia en Français

• Fraction, ejection — The portion of blood that is pumped out of a filled ventricle as a result of a heartbeat. The heart does not eject all of the blood that is in the ventricle. Normally, about two thirds of the blood is pumped out with each beat. That fraction is… …   Medical dictionary

• fraction — 1. The quotient of two quantities. 2. An aliquot portion or any portion. 3. As a verb, to separate into portions. amorphous f. of adrenal cortex noncrystalline residue of an acetone extract of the ad …   Medical dictionary

• Injection fraction — is the inverse operation of the myocardial ejection fraction. Ejection fraction (EF) is most readily appreciated as the difference between end diastolic and end systolic volumes. Mathematical derivation as stroke volume and minV similarly apply… …   Wikipedia

• REF — ejection fraction at rest; rat embryo fibroblast; referred; refused; renal erythropoietic factor; restriction endonuclease fingerprinting; right ventricular ejection fraction …   Medical dictionary

• REF — • ejection fraction at rest; • rat embryo fibroblast; • referred; • refused; • renal erythropoietic factor; • restriction endonuclease fingerprinting; • right ventricular ejection fraction …   Dictionary of medical acronyms & abbreviations

• EFICAT — Ejection Fraction in Carvediloltreated Transplant Candidates [study] …   Medical dictionary

• ExEF — ejection fraction during exercise …   Medical dictionary