1994e-618 2006h-534 adult arrhythmia arrhythmias atlases atrialfibrillation atrioventricularnodalreentrytachycardia cancer cardiac cardiaccatheterization child congenital congresses cryosurgery electrocardiography electrophysiologictechniques heartdefects infant interventionalradiology methods rd supraventricular surgery tachycardia therapy thermotherapy tumors ventricular wg17r1292002 wg330c36261994 wg330c3631988 wg330c36352006 wg330r1292000