REFERENCES
1) Kalman JM, Olgin JE, Saxon LA, Fisher WG, Lee RJ, Lesh MD. Activation and entrainment mapping defines the tricuspid annulus as the anterior barrier in typical atrial flutter. Circulation 1996;94:398-406.
2) Cosio FG, Lopez-Gil M, Goicolea A, Arribas F, Barroso JL. Radiofrequency ablation of the inferior vena cava-tricuspid valve isthmus in common atrial flutter. Am J Cardiol 1993;71:705-709.
3) Fujiki A, Nishida K, Sakabe M, Sugao M, Tsuneda T, Mizumaki K, Inoue H. Entrainment mapping of dual-loop reentry in common atrial flutter: new insights into the atrial flutter circuit. J Cardiovasc Electrophysiol 2004;15:679-685.
4) Tai CT, Chen SA. Conduction barriers of atrial flutter: relation to the anatomy. Pacing Clin Electrophysiol 2008;31:1335-1342.