
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. …
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.
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 …
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.
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.
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.
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.
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.
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 …
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. …