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pacemaker    音标拼音: [p'esm,ekɚ]
n. 定步速者,带步人;标兵;起搏器;起搏点

定步速者,带步人;标兵;起搏器;起搏点

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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  • 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 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: Types, Surgery What It Does - Cleveland Clinic
    A pacemaker is a small device a healthcare provider can place in your upper body, usually during a surgery, to send impulses to your heart The electronic device can manage abnormal heart rhythms
  • 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
  • Who Should Get a Pacemaker and What to Know About Living With One
    A pacemaker is designed to prevent the heart from beating too slowly For example, the heart may not be able to generate each electrical impulse, it may temporarily stop, or the nerve that carries the electricity from the top of the heart to the bottom chambers may wear out
  • 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)
  • Pacemaker Surgery: Preparation, Recovery, Long-Term Care
    A pacemaker is used for long-term correction of a too-slow heartbeat (arrhythmia) or temporarily, such as after open-heart surgery Implanting a pacemaker is considered a minimally invasive procedure
  • 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
  • Permanent Pacemaker (PPM) of the heart | Heart Foundation
    Learn about permanent pacemakers (PPM), including types, how they work, surgery preparation, recovery, and living with a pacemaker for heart rhythm management





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