The use of a carefully controlled electric shock, administered either through a device on the exterior of the chest wall or directly to the exposed heart muscle, to restart or normalize heart rhythms.
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The arrest of fibrillation of the cardiac muscle (atrial or ventricular) with restoration of the normal rhythm, if successful.

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de·fi·bril·la·tion (.)dē-.fib-rə-'lā-shən, -.fīb- n restoration (as by an electric shock) of the rhythm of a fibrillating heart
de·fi·bril·late (')dē-'fib-rə-.lāt, -'fīb- vt, -lat·ed; -lat·ing

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administration of a controlled electric shock to restore normal heart rhythm in cases of cardiac arrest due to ventricular fibrillation. The apparatus used is a defibrillator.

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de·fib·ril·la·tion (de-fib″rĭ-laґshən) termination of atrial or ventricular fibrillation, usually by electroshock.

Medical dictionary. 2011.

Look at other dictionaries:

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  • Defibrillation —   [lateinisch] die, / en, Beseitigung des lebensbedrohlichen Kammerflatterns oder Kammerflimmerns des Herzens (Herzrhythmusstörungen). Sie wird in der Regel unter Verwendung eines Herzdefibrillators durch elektrische Stromstöße von 4 bis 8… …   Universal-Lexikon

  • defibrillation — 1940, in reference to heartbeat, from DE (Cf. de ) + fibrillating beating in an abnormal way, from Mod.L. fibrilla, dim. of fibra fiber, in reference to the muscle strands of the heart that contract irregularly in this condition …   Etymology dictionary

  • Defibrillation — View of defibrillator electrode position and placement. Defibrillation is a common treatment for life threatening cardiac arrhythmias, ventricular fibrillation and pulseless ventricular tachycardia. Defibrillation consists of delivering a… …   Wikipedia

  • Defibrillation — Die Defibrillation ist eine Behandlungsmethode gegen die lebensbedrohlichen Herzrhythmusstörungen Kammerflimmern und Kammerflattern, bei der durch starke Stromstöße die normale Herzaktivität wieder hergestellt werden soll. Das verwendete Gerät… …   Deutsch Wikipedia

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

  • defibrillation — noun see defibrillator …   New Collegiate Dictionary

  • defibrillation — See defibrillate. * * * …   Universalium

  • defibrillation — noun the stopping of the fibrillation of the heart in order to restore normal contractions, especially by the use of an electric shock …   Wiktionary

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