countershock

countershock
An electric shock applied to the heart to terminate a disturbance of its rhythm.

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coun·ter·shock -.shäk n a therapeutic shock of electricity applied to a heart for the purpose of altering a disturbed rhythm (as in chronic atrial fibrillation) <delivering a life-saving \countershock within seconds of an arrhythmic episode (John Maurice)>

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coun·ter·shock (kounґtər-shok″) a high-intensity direct current shock delivered to the heart to interrupt ventricular fibrillation and restore synchronous electrical activity.

Medical dictionary. 2011.

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Look at other dictionaries:

  • countershock — coun·ter·shock …   English syllables

  • countershock — cardioversion …   The new mediacal dictionary

  • countershock — ˌ noun Etymology: counter + shock (III) : therapeutic electric shock applied to the heart for the purpose of altering a disturbed rhythm (as in chronic atrial fibrillation) …   Useful english dictionary

  • Кардиоверсия (Cardioversion), Терапия Электроимпульсная (Countershock) — метод восстановления нормального ритма сердечных сокращений у больных с увеличенным сердцем и аритмией. Контролируемый ток прямой полярности, синхронизированный с R волной электрокардиографа, пропускается через электроды, закрепленные на груди… …   Медицинские термины

  • КАРДИОВЕРСИЯ, ТЕРАПИЯ ЭЛЕКТРОИМПУЛЬСНАЯ — (countershock) метод восстановления нормального ритма сердечных сокращений у больных с увеличенным сердцем и аритмией. Контролируемый ток прямой полярности, синхронизированный с R волной электрокардиографа, пропускается через электроды,… …   Толковый словарь по медицине

  • 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 — 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… …   Medical dictionary

  • Implantable cardioverter-defibrillator — An implantable cardioverter defibrillator (ICD) is a small battery powered electrical impulse generator which is implanted in patients who are at risk of sudden cardiac death due to ventricular fibrillation. The device is programmed to detect… …   Wikipedia

  • ICD-9-CM Volume 3 — is a system of procedural codes. It is a subset of ICD 9 CM (volumes 1 and 2 are used for diagnostic codes.) The United States National Center for Health Statistics drafted ICD 10 PCS in 2000 as a potential replacement for ICD 9 CM Volume 3, but… …   Wikipedia

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

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