An X-ray of the author’s chest. All photos courtesy of the author.

‘Like Being Grilled Alive’: The Fear of Living With a Hackable Heart

A device connected to my heart could save my life. It could also be hacked.

Three nights before Christmas 2016, I was standing in my bathroom when a gallop broke out across my chest. It was ventricular tachycardia, a dangerous kind of arrhythmia where only one side of the heart pumps and does so at…