Address for correspondance:
Dr. Philippe Maury, Cardiology, University Hospital Rangueil, 31059 Toulouse Cedex 09, France Tel: + 33 (0) 5 61 32 30 54 Fax : + 33 (0) 5 61 32 22 46
e-mail: mauryjphil@hotmail.com
Key words: Mahaim fibers, decremental accessory pathway, high-density mapping, accessory atrio-ventricular node, ablation