Ablation on the posteromedial mitral annulus can be a successful alternative for typical AVNRT when traditional right-sided approaches fail.
May succeed in refractory typical AVNRT; hypothesis-generating case report requiring prospective validation.
We report a case of initial transient success during ablation for typical AV nodal reentrant tachycardia utilizing traditional right-sided approaches, followed by recurrence of the same tachycardia and an ultimately successful ablation on the posteromedial mitral annulus.
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Altemose et al. (2000) studied this question.
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