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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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英文字典中文字典相关资料:


  • 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)
  • 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
  • What Is a Pacemaker: How It Works and Who Needs One
    Learn how pacemakers regulate heart rhythm, who needs one, and what to expect from the procedure and life afterward
  • 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
  • How Does a Pacemaker Work? - Verywell Health
    Once implanted, a pacemaker checks your heart's electrical activity If your heart rate falls too low, the device sends a small electrical signal to the heart muscle, causing it to contract
  • Pacemaker - What You Need to Know - Drugs. com
    A pacemaker is a small device placed in your chest to help control your heartbeat You may need a pacemaker if your heartbeat is too slow, too fast, or irregular
  • 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
  • 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





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