Medically reviewed by Yasmine S. Ali, MD, MSCI Key Takeaways Ejection fraction (EF) measures how well the heart pumps blood.A ...

Ejection fraction refers to how much blood the heart pumps out during a contraction. An abnormal ejection fraction can be a sign of heart failure. Some people might need treatment to improve their ...

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WASHINGTON, DC—In patients with severe ischemic heart failure, autologous transplantation of bone marrow-derived mesenchymal stromal cells results in improved myocardial function at 6 months, ...