The cardiac pacemaker is the heart's natural rhythm generator. It employs pacemaker cells that produce electrical impulses, known as cardiac action potentials...
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A pacemaker, also known as an artificial cardiac pacemaker, is an implanted medical device that generates electrical pulses delivered by electrodes to...
83 KB (9,455 words) - 17:07, 10 May 2025
factors correlated with development of pacemaker syndrome include decreased stroke volume, decreased cardiac output, and decreased left atrial total...
21 KB (2,048 words) - 22:07, 31 December 2024
outside the normally functioning SA node of the heart. It is thus a cardiac pacemaker that is ectopic, producing an ectopic beat. Acute occurrence is usually...
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Cardiac Pacemakers, Inc. (CPI), doing business as Guidant Cardiac Rhythm Management, manufactured implantable cardiac rhythm management devices, such...
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cells, the cardiac action potential is not initiated by nervous activity. Instead, it arises from a group of specialized cells known as pacemaker cells, that...
46 KB (5,430 words) - 18:10, 24 April 2024
firing (automaticity) of pacemaker cells. The cardiac pacemaker is the heart's natural rhythm generator. It employs pacemaker cells that generate electrical...
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component of the natural pacemaker. First described in the late 1970s in Purkinje fibers and sinoatrial myocytes, the cardiac pacemaker "funny" (If) current...
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Sinoatrial node (category Cardiac anatomy)
oval shaped region of special cardiac muscle in the upper back wall of the right atrium made up of cells known as pacemaker cells. The sinus node is approximately...
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impulses produced by specialized pacemaker cells found within the sinoatrial node and the atrioventricular node. Cardiac muscle is composed of myocytes...
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Cardiac muscle (also called heart muscle or myocardium) is one of three types of vertebrate muscle tissues, the others being skeletal muscle and smooth...
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Plutonium-238 (section Nuclear powered pacemakers)
pacemaker. Another nuclear powered pacemaker was the Medtronics “Laurens-Alcatel Model 9000”. Approximately 1600 nuclear-powered cardiac pacemakers and/or...
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midodrine or fludrocortisone may be tried. Occasionally, an artificial cardiac pacemaker may be used as treatment. Reflex syncope affects at least 1 in 1,000...
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depolarizations necessary for the SA node's pacemaker activity. In order to maximize efficiency of contractions and cardiac output, the conduction system of the...
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and implantation of pacemakers, implantable cardioverter-defibrillators and cardiac resynchronisation therapy devices. The cardiac electrophysiology (EP)...
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Bradycardia (redirect from Cardiac arrhythmia/bradycardia)
ability for ventricular escape rhythms to maintain cardiac output is compromised. Permanent pacemaker implantation is often required. An AV-junctional rhythm...
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Arrhythmia (redirect from Cardiac arrhythmias)
formation originating at the pacemaker or the His-Purkinje network. The second is due to re-entry conduction disturbances. Cardiac arrhythmia is often first...
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Bundle branch block (category Cardiac electrophysiology)
drop in cardiac output. When heart failure is present, a specialized pacemaker may be used to resynchronize the ventricles. In theory a pacemaker like this...
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Wandering atrial pacemaker (WAP) is an atrial rhythm where the pacemaking activity of the heart originates from different locations within the atria....
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Atomic battery (section Pacemakers)
The Plutonium-Powered Pacemaker". "Nuclear pacemaker still energized after 34 years". R L Shoup."Nuclear-Powered Cardiac Pacemakers". Crystal Phend."Extra...
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Electrocardiography (redirect from Cardiac axis)
(CAM) among many others. Implantable devices such as the artificial cardiac pacemaker and implantable cardioverter-defibrillator are capable of measuring...
95 KB (10,362 words) - 15:44, 27 April 2025
and one of the pioneers in the development of the artificial cardiac pacemaker and cardiac defibrillator. Zoll's parents were Hyman and Mollie Zoll. They...
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Atrial tachycardia (category Cardiac arrhythmia)
heart's electrical impulse comes from an ectopic pacemaker (that is, an abnormally located cardiac pacemaker) in the upper chambers (atria) of the heart,...
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Minneapolis commencing manufacture and further development of artificial cardiac pacemakers. In 1968, Catalyst Research Corporation of Baltimore, Maryland developed...
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2001) was the first patient to receive an artificial cardiac pacemaker. The first two pacemakers were implanted by Åke Senning in 1958. Arne lived for...
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the spinal column[citation needed] TENS used across an artificial cardiac pacemaker or other indwelling stimulator, including across its leads, may cause...
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Ventricular assist device (redirect from Mechanical cardiac assist)
examples. Pacemakers and Internal Cardiac Defibrillators (ICDs) – the function of a VAD differs from that of an artificial cardiac pacemaker in that a...
61 KB (6,477 words) - 13:53, 7 May 2025
number was reported to be down to just nine. The Mound Laboratory Cardiac Pacemaker program began on 1 June 1966, in conjunction with NUMEC. When it was...
65 KB (7,179 words) - 23:32, 12 May 2025
other conditions Cardiac pacemaker, cells within the heart that initiate contractions and set the pace of beating Diaphragmatic pacemaker, a device used...
1 KB (184 words) - 15:27, 31 January 2025