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pacemaker    音標拼音: [p'esm,ekɚ]
n. 定步速者,帶步人;標兵;起搏器;起搏點

定步速者,帶步人;標兵;起搏器;起搏點

pacemaker
n 1: a leading instance in its field; "the new policy will be a
pacesetter in community relations" [synonym: {pacesetter},
{pacemaker}]
2: a specialized bit of heart tissue that controls the heartbeat
[synonym: {pacemaker}, {cardiac pacemaker}, {sinoatrial node},
{SA node}]
3: an implanted electronic device that takes over the function
of the natural cardiac pacemaker [synonym: {pacemaker},
{artificial pacemaker}]
4: a horse used to set the pace in racing [synonym: {pacer},
{pacemaker}, {pacesetter}]

pacemaker \pacemaker\ n. (Physiol. & Anat.)
1. a specialized bit of heart tissue that controls the
heartbeat.

Syn: cardiac pacemaker, sinoatrial node.
[WordNet 1.5]

2. An implanted electronic device that takes over the
function of the natural cardiac pacemaker[1]; -- used to
assist people whose heartbeat is irregular.

Syn: artificial pacemaker.
[WordNet 1.5]

3. A horse used to set the pace in racing.

Syn: pacer, pacesetter.
[WordNet 1.5]

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英文字典中文字典相關資料:
  • Pacemaker - Mayo Clinic
    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 electrical signals to fix the heart rate Some newer pacemakers don't need wires
  • Pacemaker - American Heart Association
    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)
  • 7 Signs You Need a Pacemaker - Cleveland Clinic Health Essentials
    You may need a pacemaker device if you feel constantly out of breath, become easily fatigued, or experience heart palpitations and frequent fainting spells
  • Pacemaker Guide: Implantation, Surgery, and Living With It
    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
  • 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
  • How Does a Pacemaker Work? - Verywell Health
    Learn what pacemakers are and how they work, as well as the signs that your pacemaker needs to be replaced
  • Pacemaker: Types, Procedure, Precautions, and More - Healthline
    What is a pacemaker? A pacemaker is an electric medical device that’s generally about the size of a matchbox A surgeon implants it under your skin to help manage irregular heartbeats called
  • 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 heartbeat is too slow or irregular
  • Pacemakers: Surgery, Types and How They Work for Heart Health
    Read on to learn more about pacemaker surgery, types of pacemakers and how a pacemaker can improve your heart health
  • Pacemakers - How They Work | NHLBI, NIH
    Traditional pacemakers (also called transvenous pacemakers) have three main parts A pulse generator creates the electrical pulses Wires (also called leads) are implanted inside the veins and carry the pulses to your heart Electrodes sense your natural heartbeat





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