Tennessee is gearing up for an execution on Tuesday that experts say would likely mark the first time a man has been put to death with a working defibrillator in his chest.

Tennessee plans to execute Byron Black without deactivating his defibrillator, raising concerns about potential shocks during the lethal injection. Sixty-nine-year-old Black suffers from ...

Tennessee executed an inmate Tuesday without deactivating his implanted defibrillator, despite uncertainty about whether the device would shock his heart when the lethal chemicals took effect. Byron ...

It serves as a pacemaker and an emergency defibrillator. Black’s attorneys say in order to be sure it’s off, a doctor must place a programming device over the implant site, sending it a deactivation ...

Byron Black, Tennessee death row inmate, will be executed by lethal injection despite concerns over his implantable cardioverter-defibrillator.

An inmate executed by Tennessee without deactivating his implanted defibrillator said he was hurting badly shortly after the lethal injection began, according to several witnesses.

The device includes both pacemaker and defibrillator functions: The pacemaker sends electrical impulses to Black’s heart if his heart rate drops too low, while the defibrillator delivers more ...

A pacemaker that’s smaller than a grain of rice and can be injected into the heart through the skin, without the need for surgery, has been invented by scientists.