1. ACC/AHA/ESC guidelines for the management of patients with supraventricular arrhythmias - executive summary: a report of the American College of Cardiology/American Heart Association task force on practice guidelines and the European Society of Cardiology committee for practice guidelines (writing committee to develop guidelines for the management of patients with supraventricular arrhythmias) developed in collaboration with NASPE-Heart Rhythm Society;Blomstrom-Lundqvist;J Am Coll Cardiol,2003
2. Definition of terms related to cardiac rhythm. WHO/ISFC Task Force;Robles de Medina;Eur J Cardiol,1978
3. QRS subtraction and the ECG analysis of atrial ectopics;Shah;Ann Noninvasive Electrocardiol,2004
4. ECG criteria for localizing the pulmonary vein origin of spontaneous atrial premature complexes: validation using intracardiac recordings;Rajawat;Pacing Clin Electrophysiol,2004
5. The definition of parasystole;Schamroth;Cardiology,1965