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Circulatory System |
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Heart Pump |
Purpose: An instrument that helps weak or failed hearts to pump blood to the body. Usage Method: Hooked up to or implanted inside the heart to deliver or assist blood flow. Portable: Yes for internal; external non-portable ones also widely used.
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Heart pumps are not a replacement for the patient’s heart. Instead, they aid its main pumping chamber, the left ventricle. In this way they are often used to support heart transplant candidates until a donor heart is made available and, more frequently, to allow the heart healing time after surgery or a heart attack.
Left ventricular assist device (LVAD) or ventricular assist device (VAD) Surgically implanted to supplement the pumping functions of the heart. The LVAD assists the left ventricle (which does most of the work of the heart); the VAD assists one or both ventricles.
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