New options to reboot the heart

Implantable cardioverter-defibrillators can prevent sudden cardiac arrest. Now more people can benefit.

Miniature electronic devices called implantable cardioverter-defibrillators (ICDs) that detect and terminate rapid, irregular beats in the heart's lower chambers (ventricles)—a problem known as ventricular fibrillation—can be a lifesaver for people susceptible to deadly arrhythmias With recent technological advances, these devices are even safer and more available.

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