title: Editor's perspective: Atrioventricular nodal reentry tachycardia: chameleon in disguise.
abstract: Hayashi et al teach us a sequential approach to question the possibilities that explain observed unusual phenomena and demonstrate the importance of finding a reasonable ablation target that is safe although the explanation of all phenomenon is incomplete. Perhaps future developments of mapping systems and novel signal processing presently meant for identifying atrial fibrillation and ventricular fibrillation substrate may allow us to record nodal and perinodal electrograms to better understand these complex arrhythmias in individual patients.
authors.affiliation: Division of Cardiovascular Diseases, Department of Medicine, Department of Pediatrics and Adolescent Medicine, Mayo Clinic, Rochester, MN.
authors.forename: Samuel J
authors.initials: SJ
authors.lastname: Asirvatham
authors.forename: William G
authors.initials: WG
authors.lastname: Stevenson
mesh_terms: D001283:Atrioventricular Node / Q000503:physiopathology*; D002036:Bundle of His / Q000503:physiopathology*; D004562:Electrocardiography / Q000379:methods*; D005260:Female; D006339:Heart Rate / Q000502:physiology*; D006801:Humans; D013611:Tachycardia, Atrioventricular Nodal Reentry / Q000175:diagnosis*
keywords: anatomy & histology; catheter ablation; tachycardia, atrioventricular nodal reentry