Smash Notes

Can We Actually Restore Function To The Injured Heart

Yes. The amount of blood that is squeezed out of the chamber of the heart with each beat is a ventricular ejection fraction. In humans, ejection fraction is about 65%. After a heart attack, the ejection fraction drops down to 40% and a patient is on his or her way to heart failure. Every animal that received a human graphed cardiac muscle resulted in a substantial improvement in cardiac that averages between 40% to 48%.

TED Talks Daily · Can we regenerate heart muscle with stem cells? | Chuck Murry · at 12:26 · ·Transcript

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