title: Diagnostic maneuver during narrow-complex tachycardia: what is the arrhythmia mechanism?
authors.affiliation: UCLA Cardiac Arrhythmia Center, Division of Cardiology, Department of Medicine, David Geffen School of Medicine at UCLA, Los Angeles, California 90095-1679, USA.
authors.forename: Eric
authors.initials: E
authors.lastname: Buch
authors.forename: Shiro
authors.initials: S
authors.lastname: Nakahara
authors.forename: Kalyanam
authors.initials: K
authors.lastname: Shivkumar