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 ...

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 ...

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

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, ...

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 ...

A pacemaker is a small, battery-powered device that controls the heartbeat. Our heartbeats are controlled by a highly efficient, biological electrical system that ensures our heart steadily pumps ...