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  • Title: Adenosine induced atrial fibrillation precipitating polymorphic ventricular tachycardia.
    Author: Kaplan IV, Kaplan AV, Fisher JD.
    Journal: Pacing Clin Electrophysiol; 2000 Jan; 23(1):140-1. PubMed ID: 10666766.
    Abstract:
    An 86-year-old female developed supraventricular tachycardia 36 hours after a myocardial infarction (MI). She developed atrial fibrillation and polymorphic ventricular tachycardia (PVT) following administration of 12 mg of adenosine. The PVT caused hemodynamic instability with no response to cardioversion, but termination with procainamide. The heart is vulnerable to hemodynamically unstable, possibly lethal, PVT early after MI under some circumstances. This vulnerability may be exposed following administration of adenosine. Extra caution is warranted when using adenosine in the post-MI period.
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