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 ...

When someone is diagnosed with a heart condition, it is natural to worry about the treatment they might need. One common question people ask is whether every heart patient eventually needs a pacemaker ...

DEAR MAYO CLINIC: I have a slow heart rate, and my cardiologist has recommended that I have a pacemaker implanted. Can you tell me what a pacemaker does and what I should consider when I make this ...

Pacemakers have become smaller and more sophisticated over the decades, but they still share one defining characteristic: They must enter the body to operate. Researchers at the Massachusetts ...

If you recently got a pacemaker due to an arrhythmia (an irregular heartbeat), heart failure, or bradycardia (a heart that beats too slowly), you might have concerns about getting back into exercise.

Pacemakers treat arrhythmia but don’t prevent heart attacks, which happen when plaque buildup or blood clots block arteries supplying the heart. Heart attack symptoms with a pacemaker include chest ...

With the reliability of a quality wristwatch, pacemakers send out electric pulses to keep your heart beating at a steady rate. But unlike a watch, when the batteries need replacement, it's a surgical ...