Why the study?
Does intravenous verapamil precipitate cardiac arrest in patients with Wolff-Parkinson-White syndrome presenting with rapid tachycardias?
Does intravenous verapamil precipitate cardiac arrest in patients with Wolff-Parkinson-White syndrome presenting with rapid tachycardias?
Intravenous verapamil can precipitate potentially fatal ventricular fibrillation in patients with Wolff-Parkinson-White syndrome presenting with atrial fibrillation and preexcited ventricular complexes, and is therefore contraindicated.
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May warrant caution with IV verapamil in WPW with preexcited AF; leaves open need for controlled confirmation before practice change.
Brian A. McGovern (1986) studied this question.
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