pacemaker

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Related to artificial pacemaker: electrocardiogram, Bypass surgery

pacemaker

1. Anatomy a small area of specialized tissue within the wall of the right atrium of the heart whose spontaneous electrical activity initiates and controls the beat of the heart
2. Med an electronic device for use in certain cases of heart disease to assume the functions of the natural cardiac pacemaker
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005

pacemaker

[′pās‚māk·ər]
(medicine)
A pulsed battery-operated oscillator implanted in the body to deliver electric impulses to the muscles of the lower heart, either at a fixed rate or in response to a sensor that detects when the patient's pulse rate slows or ceases. Also known as cardiac pacemaker; heart pacer.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
After cardiac systolic function recovers, an artificial pacemaker can be used to treat slow arrhythmia.
The committee called on the International Committee of the Red Cross to immediately intervene and compel IPS to allow al-'Amur to have a new artificial pacemaker. To be noted, al-Amur underwent an open-heart-surgery almost two years ago.
In that case, your doctor may recommend an artificial pacemaker to make the heart beat more regularly so enough oxygen and nourishment can get to the body's cells.
Then an artificial pacemaker was devised that used a regular electrical pulse to initiate the heartbeat.
Thus, people who opted for this procedure required an artificial pacemaker implant to stimulate each heartbeat.
Some medicines like good old quinidine have been shown to be effective in preventing life-threatening arrhythmias, but for those who can afford it, an implantable cardiac defibrillator (ICD), similar to an artificial pacemaker battery, is surgically implanted just beneath the skin layer on the chest.
Earlier this month, after a series of health scares including a mild heart attack, Peres received an artificial pacemaker.