pacemaker

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Related to Electronic pacemaker: artificial pacemaker, cardiac pacemaker, Heart pacemaker

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

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.
References in periodicals archive ?
The third paced complex was a fusion complex with the electronic pacemaker contributing little or nothing to the QRS morphology, i.
Some causes of bigeminal rhythm * Alternate beats are premature: atrial, ventricular, junctional * Nonconducted atrial premature beats after every second QRS * Sinus rhythm with 3:2 atrioventricular block: Wenckebach, Mobitz II * Other supraventricular rhythms with 3:2 atrioventricular block * Atrial flutter with alternating 2:1 and 4:1 block * 3:2 exit block: sinoatrial; escape rhythms--atrial, junctional, ventricular; accelerated rhythms--atrial, junctional, ventricular * Escape-capture bigeminy with escape focus: atrial, junctional, ventricular, electronic pacemaker * Atrial tachyarrhythmias with 3:2 atrioventricular response of an electronic pacemaker
TEHRAN (FNA)- A new article highlights the promise and limitations of new methods based on stem cell and reprogramming technologies to generate biological pacemakers that might one day replace electronic pacemakers.

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