Accessory pathway automaticity is an infrequent cause of preexcited tachycardia in WPW syndrome that can be successfully treated with radiofrequency catheter ablation.
May offer curative ablation option for rare automaticity-driven WPW tachycardias; hypothesis-generating from single case report.
Patients with the Wolff-Parkinson-White (WPW) syndrome have preexcited tachycardia as the result of atrial arrhythmias or antidromic reentry. This article describes a patient with persistent wide complex tachycardia due to abnormal automaticity in the accessory pathway. Radiofrequency catheter ablation resulted in simultaneous elimination of accessory pathway conduction and automaticity. Accessory pathway automaticity may be an infrequent cause of preexcited tachycardia in patients with the WPW syndrome.
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Deam et al. (1995) studied this question.
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