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  1. Pacemaker - Mayo Clinic

    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. …

  2. 7 Signs You Need a Pacemaker - Cleveland Clinic Health Essentials

    Jul 11, 2025 · What’s it like having a pacemaker? Getting a pacemaker might sound intimidating, but the process is simpler and more routine than you might expect.

  3. Pacemaker - American Heart Association

    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 …

  4. Pacemaker Guide: Implantation, Surgery, and Living With It

    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.

  5. Pacemaker - Wikipedia

    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.

  6. Pacemakers: Surgery, Types and How They Work for Heart Health

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

  7. Pacemaker Insertion - Johns Hopkins Medicine

    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 …

  8. How Does a Pacemaker Work? - Verywell Health

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

  9. What Is a Pacemaker? 5 Things to Know About the Device - AARP

    May 21, 2024 · The pacemaker monitors the heart’s rhythm and if it detects certain abnormalities, it will generate an electric impulse so the heart can beat with a normal rhythm. For many …

  10. Cardiac Pacemaker | Fact Sheets | Yale Medicine

    A pacemaker is a small, battery-powered device used to correct a slower-than-normal heart rate (a condition known as bradycardia). It is surgically implanted in a person’s chest or abdomen, …