shockable rhythm


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Related to shockable rhythm: AED, Automated external defibrillator

shockable rhythm

In emergency cardiac care, any of the following cardiac rhythm disturbances: ventricular fibrillation, pulseless ventricular tachycardia or some poorly tolerated supraventricular tachycardias, e.g., some instances of rapid atrial fibrillation, atrial flutter, or AV nodal re-entrant tachycardia. By contrast, asystole, pulseless electrical activity, heart blocks, and the bradycardias are not shockable. Defibrillation or cardioversion of these latter rhythms may result in injury to the patient.
See also: rhythm
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The timing will affect medical opinions regarding when the victim experienced a shockable rhythm, as well as when, within reasonable medical probability, AED intervention would have saved him or her from brain damage or death.
For patients with shockable rhythms whose arrest was witnessed, survival more than doubled, from 26.
In paediatric resuscitations, some shockable rhythms are going unrecognised.