Why the study?
Does external electric countershock terminate refractory tachycardia and atrial fibrillation in patients where drug therapy is ineffective?
Does external electric countershock terminate refractory tachycardia and atrial fibrillation in patients where drug therapy is ineffective?
External electric countershock is an effective technique for terminating refractory tachyarrhythmias when pharmacological therapy is ineffective, too slow, or contraindicated.
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May support external countershock for select refractory tachyarrhythmias when drugs fail; leaves open need for controlled trials to confirm safety and efficacy.
Zoll et al. (1962) studied this question.
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