A heart-lung machine takes over the work of the heart and lungs during surgeries. It oxygenates and circulates blood when a person's heart or lungs can't work properly. While essential, using a ...

An 8-year-old boy waiting for a heart transplant is being kept alive by an experimental device that can be used only in dire circumstances. An 8-year-old boy waiting for a heart transplant is being ...

When a healthy heart does its thing in the human body, it uses what’s called a pulsatile flow to rhythmically move blood through the cardiovascular system. When the heart is offline during certain ...