CHICAGO -- Secondhand permanent pacemaker use in poorer countries, following thorough cleaning and repackaging, has not resulted in patient harm so far, according to the My Heart Your Heart trialists.

The heart may be small, but its rhythm powers life. When something throws that rhythm off—especially after surgery—it can become a race against time to restore balance. For decades, doctors have ...

Smaller than a grain of rice, new pacemaker is particularly suited to the small, fragile hearts of newborn babies with congenital heart defects. Tiny pacemaker is paired with a small, soft, flexible ...