Use of the esophageal lead in the diagnosis of mechanisms of reciprocating supraventricular tachycardia. Pacing Clin Electrophysiol 1980 Jul;3(4):440-51
Date
07/01/1980Pubmed ID
6160537DOI
10.1111/j.1540-8159.1980.tb05253.xScopus ID
2-s2.0-0019303908 (requires institutional sign-in at Scopus site) 101 CitationsAbstract
Recent studies have emphasized the role of concealed accessory pathways in reciprocating supraventricular tachycardia. Diagnosis has generally required multicatheter electrophysiologic study. We recorded esophageal electrograms during study in 16 patients with reciprocating tachycardia due to reentry using an accessory atrioventricular pathway, and in 12 patients with reciprocating tachycardia due to reentry in the AV node. The interval from onset of ventricular depolarization to earliest atrial activation (V-AMIN), earliest atrial activity on the esophageal lead (V-AESO), and high right atrium (V-HRA) was measured. No patient with RT due to an accessory atrioventricular pathway had a V-AMIN or V-AESO less than 70 ms, or a V-HRA less than 95 ms. In contrast, 11 of 12 patients with reentry in the AV node had V-AESO intervals less than 70 ms. Esophageal recording during reciprocating tachycardia provides a simple screening procedure available to all practicing physicians to exclude the diagnosis of accessory atrioventricular pathways in the genesis of paroxysmal supraventricular tachycardia.
Author List
Gallagher JJ, Smith WM, Kasell J, Smith WM, Grant AO, Benson DW JrMESH terms used to index this publication - Major topics in bold
AdolescentAdult
Aged
Atrioventricular Node
Cardiac Pacing, Artificial
Child
Child, Preschool
Esophagus
Female
Heart Atria
Heart Conduction System
Humans
Male
Middle Aged
Tachycardia
