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  1. Pacemaker - Mayo Clinic

    2025年6月4日 · 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. 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 - American Heart Association

    2024年10月29日 · 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

    2024年9月23日 · 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. Pacemakers: Surgery, Types and How They Work for Heart Health

    2025年7月9日 · 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. How Does a Pacemaker Work? - Verywell Health

    2025年10月16日 · Learn what pacemakers are and how they work, as well as the signs that your pacemaker needs to be replaced.

  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 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 …

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

    2024年5月21日 · 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. …