Impella is a percutaneous microaxial flow pump. It is a tiny blood pumping device inserted via catheter through an artery in the groin or arm. With its tip positioned in the left ventricle, the device pumps blood into the aorta. It can pump up to 4.3 liters of blood per minute, equivalent to the amount that a normal human heart can pump, approximately 3-5 liters per minute. Studies have shown that Impella improves the heart's blood supply to the body and reduces the risk of death from cardiogenic shock.
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