Ejection fraction

Definition

Ejection fraction is a measurement that evaluates the percentage of blood pumped out of the ventricles with each heartbeat. It is a crucial indicator of heart efficiency and health, particularly in diagnosing and monitoring heart failure.

Related terms

Cardiac Output: The total volume of blood pumped by the ventricle per minute, an essential measure for understanding overall heart function.

Heart Failure: A condition where the heart's pumping capability is compromised, often associated with low ejection fraction values.

Ventricular Systole: The phase of the cardiac cycle during which the ventricles contract and eject blood into the arteries