He said it may be possible in the future to recreate pacemaker cells in humans.
A healthy human heart normally has a small group of special cells called pacemaker cells.
They found they could use the chemical potassium to trick normal heart cells in guinea pigs to act like pacemaker cells.
Effects of acute ischemia on calcium channels in isolated rabbit sino-atrial node pacemaker cells
A few days later, some of the heart muscle cells in the animals began to act like pacemaker cells.
