Jun 4, 2025 · Overview A pacemaker is a small, battery-powered device that prevents the heart from beating too slowly. You need surgery to get a pacemaker. The device is placed under the skin near …

Oct 29, 2024 · Learn how a pacemaker works and why you might need one. A pacemaker replaces the heart's defective natural pacemaker functions.

Oct 16, 2025 · Pacemakers have a generator and leads that carry electrical signals to your heart. The signals regulate your heart's beats when its own rhythm is too slow. Living with a pacemaker can …

Sep 23, 2024 · The heart has its own pacemaker that regulates the rate at which it beats. But some hearts don't beat regularly, a problem called arrhythmia. Often, a pacemaker can correct it.

The primary purpose of a pacemaker is to maintain an even heart rate, either because the heart's natural cardiac pacemaker provides an inadequate or irregular heartbeat, or because there is a block …

Mar 24, 2022 · Learn what pacemakers are, why you may need one, how they’re placed, and information about living with the device.

What is a pacemaker? A pacemaker is a small device implanted in the chest to help control your heartbeat. It's used when the heart beats too quickly, too slowly or irregularly due to a heart attack, …

A heart pacemaker is a small device implanted under the skin in the chest to restore a normal heart rate. The pacemaker senses if your heart is beating irregularly and sends mild electrical impulses to help …

Jul 11, 2025 · Pacemakers speed up a slow heartbeat — and normalize irregular rhythms — when needed. These tiny devices provide life-saving support for millions of people, from newborns to 90 …

Jul 14, 2024 · A pacemaker is a small, battery-operated device. This device senses when your heart is beating too slowly. It sends a signal to your heart that makes your heart beat at the correct pace.