Q: My dad fainted and they told him needed a pacemaker. I would like to understand more about pacemakers. A: The first step is to understand the normal electrical activity of the heart. Each of the ...

Not every heart patient needs a pacemaker. Expert explains warning signs, common myths, eligibility, and when a slow ...

Scientists have discovered a previously unidentified potassium channel in cardiac cells that regulate the human heartbeat. This could be a significant step towards developing "biological pacemakers" ...

A pacemaker is an electric medical device that’s generally about the size of a matchbox. A surgeon implants it under your skin to help manage irregular heartbeats called arrhythmias. Pacemakers can ...

The field of biological pacing is entering its second decade of active investigation. The inception of this area of study was serendipitous, deriving largely from observations made by several teams of ...

The heart's regular rhythm is crucial to the delivery of oxygenated blood and nutrients to all the organs of the body. It is regulated by a bundle of cells called "the pacemaker," which use electrical ...