Zapping The Heart Back Into Rhythm

... For 2.3 million Americans whose hearts beat too fast or don''t keep a regular rhythm, the answer is usually medicines and occasional electric shocks. But these can cause serious side effects and lose their power over time. That leaves many patients with an irregular heartbeat that saps their strength and raises their risk of having a stroke. Now, a new option offered at the University of Michigan Cardiovascular Center and a handful of other centers nationwide is proving to be a true, lasting cure for the vast majority of people who receive it. ...