What exactly is a ventricular assist device?

A ventricular assist device is an implantable pump that is often used in people who have a failing heart. This device can help pump blood to the rest of the body. There are many types of such devices- some which are implanted on the left side and others on the right side of the heart. The majority of people who have a ventricular assist device are waiting for a heart transplant. In some cases, these devices are used to support the body while the heart is recovering. 

VAD are inserted by a cardiac surgeon and have serious complications. When inserted with care, these devices can be life saving.