Know why pacemakers are implanted, how they help regulate heartbeat, different pacemaker types, and what to expect during the ...

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 ...

Pacemakers are vital, life-saving technology held back by their limited battery life, but the solution to that problem may ...

Dear Doctor: My mom is 93, and her doctor says she needs a pacemaker to control a heart arrhythmia. How does a pacemaker work? Is the operation dangerous for someone her age? Dear Reader: 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 ...

Chinese scientists have achieved an important medical breakthrough by creating the world’s first laboratory-grown sinoatrial node, often called the heart’s master conductor. This tiny part of the ...

CHICAGO — One person’s used pacemaker is another person’s treasure. A program to refurbish used pacemakers could expand access to the lifesaving devices. In a clinical trial of nearly 300 people, ...

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 ...