Hearing that you might need a stent or a pacemaker can feel overwhelming, especially if you're not quite sure what either device actually does. "A stent and a pacemaker treat entirely different heart ...

A 76-year-old woman with known ischemic cardiomyopathy, a left ventricular ejection fraction of 25%, and a previously inserted pacemaker presents to her cardiologist concerned that there is a problem ...

A case report describes a pacemaker patient who developed seizure-like activity and acute hypoxia from suspected venous air ...

Your heart's job is to keep your pulse steady to pump blood throughout your body. Sometimes your heart rate is slower when you're relaxing, and sometimes it's faster when you're exercising or stressed ...

The sinoatrial node is "part of the heart, but a very specialized part of the heart," Mark Anderson told BioWorld Today. The cells that make up the pacemaker are different from normal cells, he ...

A dual-chamber wireless pacemaker provides reliable performance over three months, bolstering evidence for this new pacemaker option, according to results from a multi-center, international clinical ...

Add Yahoo as a preferred source to see more of our stories on Google. Electrocardiograms, or ECGs, record the electrical activity of your heart. Randy Faris/The Image Bank via Getty Images Your ...