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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. They deliver …

  2. 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.

  3. 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.

  4. 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 sensors (electrodes).

  5. 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.

  6. Pacemaker (for the Heart): Surgery, Types & What It Is

    A pacemaker is a device implanted in your body to deliver electrical pulses to your heart. They can improve quality of life and prevent life-threatening problems.

  7. Pacemakers - Patient Information - Boston Scientific

    Learn how Boston Scientific pacemakers work to monitor and treat abnormally slow heartbeats and what to expect after your pacemaker procedure.

  8. Heart pacemaker - Penn Medicine

    A pacemaker allows your heart to maintain a satisfactory heart rate, which is needed for healthy blood flow. Most pacemakers have two parts: a pulse generator and leads.

  9. Pacemaker - What You Need to Know - Drugs.com

    Dec 9, 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.

  10. 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.