Focal atrial tachycardias arising from the right atrial appendage: electrocardiographic and electrophysiologic characteristics and radiofrequency ablation

Kurt C Roberts-Thomson, Peter M Kistler, Haris M Haqqani, Andrew D McGavigan, Richard J Hillock, Irene H Stevenson, Joseph B Morton, Jitendra K Vohra, Paul B Sparks, Jonathan M Kalman