Conclusions
The identification of the macroreentrant nature of atrial flutter and the ability to localise the circuit by endocardial activation mapping and pacing resulted in attempts to interrupt the circuit by ablative interventions. Nowadays, catheter ablation of atrial flutter has become a safe, curative, and highly successful procedure, particularly when the right atrial isthmus is incorporated in the flutter circuit. Demonstration of bidirectional isthmus block after ablation predicts a high long-term success rate. Scar-related and left atrial flutters present more complex patterns of activation, making the ablation more difficult and the 3D system often mandatory.
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Montenero, A. (2005). Atypical Atrial Flutter. In: Gulizia, M.M. (eds) Emerging Pathologies in Cardiology. Springer, Milano . https://doi.org/10.1007/88-470-0341-5_16
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DOI: https://doi.org/10.1007/88-470-0341-5_16
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