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 ...

The blood circulates around the body 24 hours a day 7 days a week. Heart of a normal person has a regular rhythm, which allows enough oxygen and nutrients to reach all organs. In some individuals, ...

You must have heard of pacemakers? They are required when the heart's natural system malfunctions, causing it to beat too slowly (bradycardia), irregularly, or even pause. All these can hinder ...

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 ...

Hearing the words heart disease often makes people think of major surgery or a pacemaker. Many assume that every person diagnosed with a heart condition will eventually need one. However, ...

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" ...

FALLS CHURCH, Virginia--Former Vice Pres. and Indiana governor Mike Pence now has a pacemaker, after surgery Wednesday in Virginia. The condition that led to his having the pacemaker is called ...

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 ...