Types of Pacemakers Which Heart Conditions Require a Pacemaker? 12 min read What Is a Pacemaker? A pacemaker is a small device that sends electrical impulses to the heart muscle to keep a suitable heart rate and rhythm. Your heartbeat can become too slow or too fast due to a variety of...
Although there are different types of artificial pacemakers, all are designed to treatbradycardia, a heart rate that is too slow. Some pacemakers function continuously and stimulate the heart at a fixed rate or at an increased rate during exercise. A pacemaker can also be programmed to detect an...