Two electrodes, a battery, and a round bitumen box: that was the first internal pacemaker implanted in a person

In 1958, Arne Larsson, a 43-year-old former Swedish ice hockey player, underwent the first implantation of an internal pacemaker. Facing a life-threatening cardiac condition, Larsson received a device composed of two electrodes, a battery, and a circular shoe polish tin to regulate his heartbeat. This medical milestone marked a significant advancement in the treatment of heart conditions. The procedure provided a life-saving intervention for a patient whose health had severely deteriorated.