what does a heart pump do
A ventricular assist device (VAD) is a mechanical pump that's used to support heart function and blood flow in people who have weakened hearts.The device takes blood from a lower chamber of the heart and helps pump it to the body and vital organs, just as a healthy heart would. ventricular assist device (VAD) is a mechanical pump that's used to support heart function and blood flow in people who have weakened hearts.