title: An unusual long RP tachycardia: what is the mechanism?
authors.affiliation: Section of Cardiac Electrophysiology, Johns Hopkins School of Medicine, Baltimore, Maryland. Electronic address: sbansal3@jhmi.edu.
authors.forename: Sandeep
authors.initials: S
authors.lastname: Bansal
authors.affiliation: Section of Cardiac Electrophysiology, Johns Hopkins School of Medicine, Baltimore, Maryland.
authors.forename: Ronald D
authors.initials: RD
authors.lastname: Berger
authors.affiliation: Section of Cardiac Electrophysiology, Johns Hopkins School of Medicine, Baltimore, Maryland.
authors.forename: David D
authors.initials: DD
authors.lastname: Spragg
mesh_terms: D000241:Adenosine / Q000008:administration & dosage*; D000368:Aged; D000889:Anti-Arrhythmia Agents / Q000008:administration & dosage; D017115:Catheter Ablation / Q000379:methods*; D003937:Diagnosis, Differential; D004562:Electrocardiography / Q000379:methods; D022062:Electrophysiologic Techniques, Cardiac; D006801:Humans; D008297:Male; D013611:Tachycardia, Atrioventricular Nodal Reentry / Q000175:diagnosis / Q000503:physiopathology / Q000628:therapy; D016896:Treatment Outcome
chemical_list: D000889:Anti-Arrhythmia Agents; D000241:Adenosine
keywords: Atypical atrioventricular nodal reentrant tachycardia; Long RP tachycardia; Nodofascicular bypass tract; Supraventricular tachycardia