608 - ASSESSMENT OF THE FETAL ATRIO-VENTRICULAR (AV) CONDUCTION TIME BY TISSUE DOPPLER AND ITS CORRELATION TO CONVENTIONAL DOPPLER FLOW MEASUREMENTS
M Nii, KS Roman, ET Jaeggi
Toronto, Ontario

609 - IS RADIOFREQUENCY OBSOLETE FOR CATHETER ABLATION IN CHILDREN
JM Cote, F Philippon, M Gilbert, J Champagne, L Blier, F Molin, C Houde, G Delisle, A Cloutier, G O’Hara
Quebec City, Quebec

610 - MEDICATION USE IN PEDIATRIC SUPRAVENTRICULAR TACHYCARDIA – A NORTH AMERICAN SURVEY
KK Wong, JE Potts, SP Etheridge, S Sanatani
Vancouver, British Columbia

611 - CARDIAC RESYNCHRONISATION IN CHILDREN WITH CONGENITAL HEART DEFECTS
A Fournier, SJ Vobecky
Montreal, Quebec

612 - DIASTOLIC FUNCTION IN PEDIATRIC PATIENTS WITH ALSTRÖM SYNDROME
A Toulany, S Shea, A Warren
Halifax, Nova Scotia

613 - THREE-DIMENSIONAL ECHOCARDIOGRAPHIC ASSESSMENT OF CONGENITAL VALVULAR HEART DISEASE: THE RELATIVE BENEFITS OF TRANSTHORACIC REAL-TIME VERSUS TRANSESOPHAGEAL TECHNIQUES
KS Roman, M Nii, JC Coles, GS Van Arsdell, CA Caldarone, WG Williams, JF Smallhorn
Toronto, Ontario