A left ventricular assist device, or LVAD, is a mechanical pump that takes over the work of a failing heart ventricle. In this section explore the basic functions of an LVAD and important information surrounding LVAD surgery. What is an LVAD? How does it work? LVAD Implant Surgery How Life Changes with an LVAD Loved Ones of LVAD Recipients Financial Considerations Deciding Together: A Left Ventricular Assist Device (LVAD) Decision Aid