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. …

Jul 11, 2025 · A cardiologist explains how pacemakers work, the conditions they treat and signs that you may need one.

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 …

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.

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.

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 …

Jul 9, 2025 · Read on to learn more about pacemaker surgery, types of pacemakers and how a pacemaker can improve your heart health.

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 …

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 …