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Antidromic Reciprocating Tachycardia in Patients with Paraseptal Accessory Pathways: Importance of Critical Delay in the Reentry Circuit
Author(s) -
MAN DAVID C.,
SARTER BRIAN H.,
COYNE ROBERT F.,
CALLANS DAVID J.,
SCHWARTZMAN DAVID,
GOTTLIEB CHARLES D.,
MARCHLINSKI FRANCIS E.
Publication year - 1999
Publication title -
pacing and clinical electrophysiology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.686
H-Index - 101
eISSN - 1540-8159
pISSN - 0147-8389
DOI - 10.1111/j.1540-8159.1999.tb00458.x
Subject(s) - medicine , reentry , antidromic , reciprocating motion , accessory pathway , tachycardia , cardiology , anesthesia , atrial fibrillation , catheter ablation , electrophysiology , mechanical engineering , gas compressor , engineering
Previous studies in patients with antidromic reciprocating tachycardia (ART) have observed a critical anatomic requirement (> 4 cm) between an antegrade bypass tract limb and a retrograde AV nodal limb. We report two patients with ART utilizing a paraseptal accessory pathway. In both cases, a critical degree of slow conduction within the circuit provides unusual electrophysiologic substrate to overcome the expected anatomical constraints.