• Thumbnail for Cardiac pacemaker
    The cardiac pacemaker is the heart's natural rhythm generator. It employs pacemaker cells that produce electrical impulses, known as cardiac action potentials...
    11 KB (1,401 words) - 21:10, 6 May 2025
  • Thumbnail for Pacemaker
    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
  • Thumbnail for Pacemaker syndrome
    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
  • Thumbnail for Ectopic pacemaker
    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...
    10 KB (1,099 words) - 21:20, 6 May 2025
  • Thumbnail for Cardiac Pacemakers, Inc.
    Cardiac Pacemakers, Inc. (CPI), doing business as Guidant Cardiac Rhythm Management, manufactured implantable cardiac rhythm management devices, such...
    6 KB (702 words) - 16:48, 19 June 2024
  • Thumbnail for Cardiac action potential
    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
  • Thumbnail for Pacemaker potential
    firing (automaticity) of pacemaker cells. The cardiac pacemaker is the heart's natural rhythm generator. It employs pacemaker cells that generate electrical...
    9 KB (1,167 words) - 23:37, 23 March 2025
  • component of the natural pacemaker. First described in the late 1970s in Purkinje fibers and sinoatrial myocytes, the cardiac pacemaker "funny" (If) current...
    10 KB (1,195 words) - 21:33, 8 November 2023
  • Thumbnail for Sinoatrial node
    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...
    24 KB (2,808 words) - 19:51, 28 March 2025
  • Thumbnail for Cardiac cycle
    impulses produced by specialized pacemaker cells found within the sinoatrial node and the atrioventricular node. Cardiac muscle is composed of myocytes...
    20 KB (1,882 words) - 06:22, 20 August 2024
  • Thumbnail for Cardiac muscle
    Cardiac muscle (also called heart muscle or myocardium) is one of three types of vertebrate muscle tissues, the others being skeletal muscle and smooth...
    42 KB (5,070 words) - 16:37, 12 May 2025
  • Thumbnail for Plutonium-238
    pacemaker. Another nuclear powered pacemaker was the Medtronics “Laurens-Alcatel Model 9000”. Approximately 1600 nuclear-powered cardiac pacemakers and/or...
    40 KB (4,143 words) - 16:40, 10 May 2025
  • Thumbnail for Reflex syncope
    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...
    23 KB (2,562 words) - 13:08, 11 May 2025
  • Thumbnail for Cardiac conduction system
    depolarizations necessary for the SA node's pacemaker activity. In order to maximize efficiency of contractions and cardiac output, the conduction system of the...
    16 KB (1,843 words) - 08:04, 8 October 2024
  • Thumbnail for Cardiac electrophysiology
    and implantation of pacemakers, implantable cardioverter-defibrillators and cardiac resynchronisation therapy devices. The cardiac electrophysiology (EP)...
    10 KB (946 words) - 02:21, 6 April 2024
  • Thumbnail for Bradycardia
    ability for ventricular escape rhythms to maintain cardiac output is compromised. Permanent pacemaker implantation is often required. An AV-junctional rhythm...
    40 KB (4,499 words) - 12:36, 11 May 2025
  • Thumbnail for Arrhythmia
    formation originating at the pacemaker or the His-Purkinje network. The second is due to re-entry conduction disturbances. Cardiac arrhythmia is often first...
    43 KB (4,762 words) - 15:00, 12 April 2025
  • Thumbnail for Bundle branch block
    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...
    8 KB (840 words) - 01:29, 29 October 2024
  • Thumbnail for Wandering atrial pacemaker
    Wandering atrial pacemaker (WAP) is an atrial rhythm where the pacemaking activity of the heart originates from different locations within the atria....
    7 KB (843 words) - 09:31, 27 September 2023
  • The Plutonium-Powered Pacemaker". "Nuclear pacemaker still energized after 34 years". R L Shoup."Nuclear-Powered Cardiac Pacemakers". Crystal Phend."Extra...
    25 KB (2,773 words) - 23:17, 21 November 2024
  • Thumbnail for Electrocardiography
    (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
  • Thumbnail for Paul Zoll
    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...
    13 KB (1,718 words) - 19:07, 16 November 2024
  • 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,...
    5 KB (529 words) - 04:30, 19 June 2024
  • Minneapolis commencing manufacture and further development of artificial cardiac pacemakers. In 1968, Catalyst Research Corporation of Baltimore, Maryland developed...
    11 KB (1,027 words) - 17:25, 7 July 2024
  • Thumbnail for Heart
    Heart (redirect from Cardiac)
    also be used. Cardiac devices in the form of pacemakers or implantable defibrillators may also be required to treat arrhythmias. Pacemakers, comprising...
    144 KB (17,011 words) - 13:10, 26 March 2025
  • Thumbnail for Arne Larsson (patient)
    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...
    2 KB (120 words) - 19:31, 8 April 2025
  • Thumbnail for Transcutaneous electrical nerve stimulation
    the spinal column[citation needed] TENS used across an artificial cardiac pacemaker or other indwelling stimulator, including across its leads, may cause...
    40 KB (4,492 words) - 09:05, 25 March 2025
  • Thumbnail for Ventricular assist device
    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
  • Thumbnail for Radioisotope thermoelectric generator
    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