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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 used to control or increase the heartbeat It stimulates the heart as needed to keep it beating regularly The heart's electrical system typically controls the heartbeat
  • 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) Some newer pacemakers are wireless
  • 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 (for the Heart): Surgery, Types What It Is - Cleveland Clinic
    Though it isn’t a pacemaker, these are often used with related heart conditions like ventricular tachycardia and ventricular fibrillation What’s the difference between a pacemaker and an ICD? A pacemaker delivers electrical impulses to control the rhythm of your heart, but it can’t deliver a shock to correct an arrhythmia
  • Pacemaker Guide: Implantation, Surgery, and Living With It - WebMD
    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
  • 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 - Wikipedia
    Modern pacemakers are externally programmable and allow a cardiologist to select the optimal pacing modes for individual patients Most pacemakers are on demand, in which the stimulation of the heart is based on the dynamic demand of the circulatory system Others send out a fixed rate of impulses [4]
  • Cardiac Pacemaker gt; Fact Sheets - Yale Medicine
    A pacemaker is a small, battery-powered device used to correct a slower-than-normal heart rate (a condition known as bradycardia) It is surgically implanted in a person’s chest or abdomen, where it can send electrical impulses to the heart to help it beat at a steady, healthy rate
  • 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
  • Pacemaker - What You Need to Know - Drugs. com
    What is a pacemaker? 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





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