Highlights the potential for pacemaker-mediated tachycardia in patients with WPW syndrome and dual-chamber pacemakers.
Consider this reentry risk in WPW patients with dual-chamber pacemakers; leaves open prospective studies on incidence and prevention.
We describe a case of an irregular pacemaker circus movement tachycardia in a patient with the Wolff-Parkinson-White syndrome and a normally functioning A-V universal (DDD) pacemaker (Cordis Sequicor 233 D). The mechanism of the artificial circus movement tachycardia, which uses the pacemaker as the anterograde limb and a septally located accessory atrioventricular pathway as the retrograde limb, is discussed.
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Wehr et al. (1984) studied this question.