New Hope for Failing Hearts

Four devices are showing promise for boosting the pumping power of weakened hearts


Heart failure with reduced ejection fraction (HFrEF) is a serious, often progressive and potentially disabling condition affecting millions of adults worldwide. It occurs when the heart muscle is damaged, leaving it too weak to eject a normal percentage of blood with each contraction. Cells throughout the body suffer from lack of oxygen, producing a wide variety of symptoms.

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