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 …

Oct 29, 2024 · What is a pacemaker? A pacemaker is a small, battery-operated device that helps the heart beat in a regular rhythm. Traditional pacemakers have three parts: a generator, wires …

Modern pacemakers are externally programmable and allow a cardiologist to select the optimal pacing modes for individual patients. Most pacemakers are on demand, in which the …

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 …

Sep 23, 2024 · With all types of pacemakers, your doctor will program your minimum heart rate. When your heart rate drops below that set rate, your pacemaker generates (fires) an electrical …

Nov 25, 2021 · What is a pacemaker? A pacemaker is an electric medical device that’s generally about the size of a matchbox. A surgeon implants it under your skin to help manage irregular …

Oct 16, 2025 · Learn what pacemakers are and how they work, as well as the signs that your pacemaker needs to be replaced.

Jul 9, 2025 · Learn what pacemakers are, how they work, who needs them and what to expect after implantation.

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

Aug 12, 2025 · Pacemakers and implantable defibrillators are devices that monitor and help control abnormal heart rhythms. Learn who needs one, and how they work.