Tag Archives: Cardiology

How the Normal Heart Works Part II of III

The Normal Heart Part II of III Ejection Fraction:   With each heartbeat, the heart contracts and relaxes.  Every contraction pushes blood out of both ventricles.   When the heart relaxes, both ventricles refill with blood.   Ejection fraction (EF) equals the amount, or percentage, of blood that is pumped (or ejected) with each contraction [...]

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