Mechanism-specific effects of adenosine on atrial tachycardia. Circulation. 1994;89:2645 54. 201. Coss SF, Steinberg JS. Supraventricular tachyarrhythmias involving the sinus node: clinical and electrophysiologic characteristics. Prog Cardiovasc Dis. 1998;41:51 63. 202. Goya M, Iesaka Y, Takahashi A, et al. Radiofrequency catheter ablation for sinoatrial node reentrant tachycardia: electrophysiologic features of ablation sites. Jpn Circ J. 1999;63:177 83. 203. Saoudi N, Cos o F, Waldo A, et al. A classification of atrial flutter and regular atrial tachycardia according to electrophysiological mechanisms and anatomical bases: a statement from a joint expert group from the Working Group of Arrhythmias of the European Society of Cardiology and the North American Society of Pacing and Electrophysiology. Eur Heart J. 2001;22:1162 82. 204. Gillette PC, Garson A Jr. Electrophysiologic and pharmacologic charac- teristics of automatic ectopic atrial tachycardia. Circulation. 1977;56:571 5. 205. Mehta AV, Sanchez GR, Sacks EJ, et al. Ectopic automatic atrial tachy- cardia in children: clinical characteristics, management and follow-up. J Am Coll Cardiol. 1988;11:379 85. 206. Eidher U, Freihoff F, Kaltenbrunner W, et al. Efficacy and safety of ibu- tilide for the conversion of monomorphic atrial tachycardia. Pacing Clin Electrophysiol. 2006;29:358 62. 207. Markowitz SM, Stein KM, Mittal S, et al. Differential effects of ad- enosine on focal and macroreentrant atrial tachycardia. J Cardiovasc Electrophysiol. 1999;10:489 502. 208. Reisinger J, Gstrein C, Winter T, et al. Optimization of initial energy for cardioversion of atrial tachyarrhythmias with biphasic shocks. Am J Emerg Med. 2010;28:159 65. 209. Kunze KP, Kuck KH, Schl ter M, et al. Effect of encainide and fle- cainide on chronic ectopic atrial tachycardia. J Am Coll Cardiol. 1986;7:1121 6. 210. Creamer JE, Nathan AW, Camm AJ. Successful treatment of atrial tachy- cardias with flecainide acetate. Br Heart J. 1985;53:164 6. 211. von Bernuth G, Engelhardt W, Kramer HH, et al. 