Jerry Karzen has had many successes as both a tennis player and a coach. Now he is getting the chance to extend those accomplishments with the assistance of a new generation of pacemaker. In January, ...

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 ...

CHICAGO — When a female patient received a pacemaker at the Frankel Cardiovascular Center at the University of Michigan, Ann Arbor, Michigan, and died shortly after with the brand-new and fully ...

Tiny device can be inserted with a syringe, then dissolves after it's no longer needed. (Nanowerk News) Northwestern University engineers have developed a pacemaker so tiny that it can fit inside the ...