Artificial cardiac pacemaker - Wikipedia
An artificial cardiac pacemaker, commonly referred to as simply a pacemaker, is an implanted medical device that generates electrical pulses delivered by electrodes to one or more of the chambers of the heart.
Pacemaker - Mayo Clinic
2023年7月8日 · A pacemaker is a small, battery-powered device that prevents the heart from beating too slowly. You need surgery to get a pacemaker. The device is placed under the skin near the collarbone. A pacemaker also is called a cardiac pacing device. There are different types of pacemakers.
Pacemaker - American Heart Association
2024年10月29日 · An artificial pacemaker replaces the heart’s defective natural pacemaker functions. Most pacemakers work only when they’re needed (demand pacemakers). Demand pacemakers have a sensing device. It shuts the pacemaker off if the heartbeat is above a …
Pacemaker: Types, Procedure, Precautions, and More - Healthline
2021年11月25日 · A pacemaker is implanted under the skin to help manage an irregular heartbeat. Discover who needs a pacemaker, what happens after surgery, and more.
Pacemaker (for the Heart): Surgery, Types & What It Is - Cleveland Clinic
2022年2月28日 · A pacemaker delivers electrical impulses to control the rhythm of your heart, but it can’t deliver a shock to correct an arrhythmia. Most new implantable cardioverter defibrillators (ICDs) can do the same job as a pacemaker, as well as detect dangerous heart rhythms.
Pacemaker Guide: Implantation, Surgery, and Living With It - WebMD
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.
Understanding Artificial Pacemakers: How They Work and
2024年2月14日 · Artificial pacemakers are used to treat a variety of heart rhythm disorders, including bradycardia (a slow heart rate), tachycardia (a fast heart rate), and heart block (a condition where the electrical signals are partially or completely blocked).
Pacemaker Insertion - StatPearls - NCBI Bookshelf
2024年10月6日 · Pacemakers are adjustable artificial electrical pulse generators, frequently emitting a pulse with a duration between 0.5 and 25 ms with an output of 0.1 to 15 V at a frequency of up to 300/min.
Artificial Pacemakers - Heart and Blood Vessel Disorders
Artificial pacemakers are electronic devices that act in place of the heart’s natural pacemaker (the sinus or sinoatrial node). They generate electrical impulses that initiate each heartbeat. Pacemakers consist of a battery, an impulse generator, …
Cardiac Pacemaker > Fact Sheets - Yale Medicine
Some pacemakers, called biventricular pacemakers, can treat heart failure. They may also operate as implantable cardioverter defibrillators, designed to shock the heart and return it to a normal rhythm when it beats too quickly or abnormally. How does a cardiac pacemaker work?
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