Fabritz L, Kirchhof P, Franz MR, Eckardt L, Mönnig G, Milberg P, Breithardt G, Haverkamp W (2003) Prolonged action potential durations, increased dispersion of repolarization, and polymorphic ventricular tachycardia in a mouse model of proarrhythmia. Basic Res Cardiol 98: 25-32 Milberg P, Eckardt L, Bruns HJ, Biertz J, Ramtin S, Reinsch N, Fleischer D, Kirchhof P, Fabritz L, Breithardt G, Haverkamp W (2002) Divergent proarrhythmic potential of macrolide antibiotics despite similar QT-prolongation: Fast phase 3 repolarization prevents early afterdepolarizations and Torsade de Pointes. J Pharmacol Exp Ther 303: 218-25 Kirchhof P, Eckardt L, Loh P, Weber K, Fischer RJ, Seidl K, Böcker D, Breithardt G, Haverkamp W, Borggrefe M (2002) Anterior-posterior versus anterior-lateral electrode positions for external cardioversion of atrial fibrillation: a randomised trial. Lancet 360: 1275-79 Eckardt L, Meissner A, Kirchhof P, Weber T, Milberg P, Breithardt G, Haverkamp W (2003), In vivo recording of monophasic action potentials in awake dogs. Methods 30: 109-14 Kirchhof P, Milberg P, Eckardt L, Breithardt G, Haverkamp W (2003), Effect of sotalol and acute ventricular dilatation on action potential duration and dispersion of repolarization after defibrillation shocks. J Cardiovasc Pharmacol 41: 640-48 Kirchhof P, Eckardt L, Franz MR, Mönnig G, Loh P, Wedekind H, Schulze-Bahr E, Breithardt G, Haverkamp W (2003), Prolonged atrial action potential durations and polymorphic atrial tachyarrhythmias in patients with long QT syndrome. J Cardiovasc Electrophysiol 14: 1027-33 Schulze-Bahr E, Zoelch KA, Eckardt L, Haverkamp W, Breithardt G, Borggrefe M (2003) Electrical alternans in long QT syndrome resembling a Brugada syndrome pattern. Pacing Clin Electrophysiol 26: 2033-35 Ribbing M, Wasmer K, Monnig G, Kirchhof P, Loh P, Breithardt G, Haverkamp W, Eckardt L (2003) Endocardial mapping of right ventricular outflow tract tachycardia using noncontact activation mapping. J Cardiovasc Electrophysiol 14: 602-08 Rolf S, Bruns HJ, Wichter T, Kirchhof P, Ribbing M, Wasmer K, Paul M, Breithardt G, Haverkamp W, Eckardt L (2003) The ajmaline challenge in Brugada syndrome: diagnostic impact, safety, and recommended protocol. Eur Heart J 24: 1104-12 Kirchhof P, Degen H, Franz MR, Eckardt L, Fabritz L, Milberg P, Laer S, Neumann J, Breithardt G, Haverkamp W (2003), Amiodarone-induced postrepolarization refractoriness suppresses induction of ventricular fibrillation. J Pharmacol Exp Ther 305: 257-63 Schulze-Bahr E, Eckardt L, Breithardt G, Seidl K, Wichter T, Wolpert C, Borggrefe M, Haverkamp W (2003) Sodium channel gene (SCN5A) mutations in 44 index patients with Brugada syndrome: different incidences in familial and sporadic disease. Hum Mutat 21: 651-52 Schulze-Bahr E, Mönnig G, Eckardt L, Wedekind H, Wichter T, Breithardt G (2003) The long QT syndrome: considerations in the athletic population, Current Sports Medicine Reports 2: 72-78 Haverkamp W, Eckardt L, Matz J, Frederiksen K (2003) Sertindole: cardiac electrophysiological profile, Int J Psychiatr Clin Pract; 6:10