The conversion of one cardiac rhythm or electrical pattern to another, almost always from an abnormal to a normal one. This conversion can be accomplished by pharmacologic means using medications or by electrical cardioversion using a defibrillator.
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Restoration of the heart's rhythm to normal by electrical countershock or by medications (chemical c.). [cardio- + conversion]

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car·dio·ver·sion -'vər-zhənalso -shən n application of an electric shock in order to restore normal heartbeat

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a method of restoring the normal rhythm of the heart in patients with increased heart rate due to arrhythmia. A controlled direct-current shock, synchronized with the R wave of the electrocardiograph, is given through electrodes placed on the chest wall of the anaesthetized patient. The apparatus is called a cardiovertor and is a modified defibrillator.

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car·dio·ver·sion (kahrґde-o-vur″zhən) the restoration of normal rhythm of the heart by electrical shock.

Medical dictionary. 2011.

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  • Cardioversion — Défibrillation Placement des électrodes et passage du courant électrique intrathoracique …   Wikipédia en Français

  • cardioversion — countershock; n. restoration of normal heart rhythm in patients with tachyarrhythmia (see arrhythmia). Electrical (synchronized) cardioversion involves the application of a controlled shock, synchronized with the R wave of the electrocardiogram,… …   The new mediacal dictionary

  • cardioversion — noun Etymology: cardi + version (turning of an organ) Date: 1963 application of an electric shock in order to restore normal heartbeat …   New Collegiate Dictionary

  • cardioversion — /kahr dee oh verr zheuhn, sheuhn/, n. Med. restoring the rhythm of the heart to normal by applying direct current electrical shock. [1970 75; CARDIO + (RE)VERSION] * * * …   Universalium

  • cardioversion — noun The treatment of cardiac arrhythmia, either with medication or by use of a machine (a cardioverter) that delivers a controlled electric current. See Also: cardiovert …   Wiktionary

  • cardioversion — n. restoration of a normal heart rhythm by applying an electrical shock (Medicine) …   English contemporary dictionary

  • cardioversion — car·dio·ver·sion …   English syllables

  • cardioversion — car•di•o•ver•sion [[t]ˌkɑr di oʊˈvɜr ʒən, ʃən[/t]] n. med restoration of the normal heart rhythm by applying direct current electrical shock • Etymology: 1970–75; cardio + (re) version …   From formal English to slang

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