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Heart-Assist Devices
Artificial Heart Ventricle; Artificial Heart Ventricles; Artificial Ventricles; Device, Heart-Assist; Device, Vascular-Assist; Device, Ventricle-Assist; Devices, Heart-Assist; Devices, Vascular-Assist; Devices, Ventricle-Assist; Heart Assist Devices
Small pumps, often implantable, designed for temporarily assisting the heart, usually the left ventricle, to pump blood; they consist of a pumping chamber and a power source, which may be partially or totally external to the body and activated by electromagnetic motors; the devices are used after myocardial infarction or to wean the repaired heart from the heart-lung machine after open-heart surgery.