Jun 4, 2025 · A pacemaker is a device used to control an irregular heart rhythm. A pacemaker has flexible wires called leads. The wires are placed in one or more chambers of the heart. …

Sep 23, 2024 · A pacemaker is a small device that helps regulate heart rate and rhythm by sending electrical impulses to the heart muscle. Learn how it works.

Oct 29, 2024 · 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 (leads) and …

Jul 11, 2025 · You may need a pacemaker device if you feel constantly out of breath, become easily fatigued, or experience heart palpitations and frequent fainting spells.

A pacemaker, also known as an artificial cardiac pacemaker, is an implanted medical device that generates electrical pulses delivered by electrodes to one or more of the chambers of the heart.

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.

What is a pacemaker? A pacemaker is composed of three parts: a pulse generator, one or more leads, and an electrode on each lead. A pacemaker signals the heart to beat when the …

Dec 11, 2022 · Pacemakers are electric activity-generating devices used to treat patients with slow heart rates or symptomatic heart blocks and in patients with heart failure.[1] All cardiac …

Nov 10, 2025 · A pacemaker is a small device placed in your chest to help control your heartbeat. You may need a pacemaker if your heartbeat is too slow, too fast, or irregular.