Abstract
Arrhythmia after surgical MAZE procedures is often misinterpreted as recurrence of atrial fibrillation. This case demonstrates recurrent mitral annular flutter as a result of incomplete surgical mitral isthmus ablation. Examination of local electro grams provides an instructive diagnostic demonstration of linear ablation breakthrough.
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References
Medi C, Kalman JM. Prediction of the atrial flutter circuit location from the surface electrocardiogram. Europace. 2008;10(7):786–96.
Wazni OM, Saliba W, Fahmy T, Lakkireddy D, Thal S, Kanj M, et al. Atrial arrhythmias after surgical maze: findings during catheter ablation. JACC. 2006;48(7):1405–9.
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Activation map of macro-reentry flutter through incomplete surgical ablation (MP4 517 kb)
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Makati, K.J. (2020). Left Atrial Flutter After Surgical MAZE. In: Natale, A., Wang, P., Al-Ahmad, A., Estes, N. (eds) Cardiac Electrophysiology. Springer, Cham. https://doi.org/10.1007/978-3-030-28533-3_46
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DOI: https://doi.org/10.1007/978-3-030-28533-3_46
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