Demonstration of a left atrial input to the atrioventricular node in humans

During right atrial stimulation, the anterior and posterior approaches provide inputs to the atrioventricular (AV) node. The purpose of the present study was to determine how activation proceeding from the left atrium reaches the AV node. We studied AV nodal conduction during right and left atrial (...

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Veröffentlicht in:	Circulation (New York, N.Y.) N.Y.), 2002-12, Vol.106 (23), p.2930-2934
Hauptverfasser:	GONZALEZ, Mario D, CONTRERAS, Leonardo J, CARDONA, Francisco, KLUGEWICZ, Christopher J, CONTI, Jamie B, CURTIS, Anne B, MOREY, Timothy E, DENNIS, Donn M
Format:	Artikel
Sprache:	eng
Schlagworte:	Atrial Flutter - physiopathology Atrial Flutter - surgery Atrial Function Atrioventricular Node - physiopathology Biological and medical sciences Bundle of His - physiopathology Cardiac Catheterization Cardiac dysrhythmias Cardiac Pacing, Artificial Cardiology. Vascular system Catheter Ablation Electrocardiography Electrophysiologic Techniques, Cardiac Female Heart Heart Conduction System - physiopathology Heart Conduction System - surgery Humans Male Medical sciences Middle Aged Tachycardia - physiopathology Tachycardia - surgery Tachycardia, Atrioventricular Nodal Reentry - physiopathology Tachycardia, Atrioventricular Nodal Reentry - surgery
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Zusammenfassung:	During right atrial stimulation, the anterior and posterior approaches provide inputs to the atrioventricular (AV) node. The purpose of the present study was to determine how activation proceeding from the left atrium reaches the AV node. We studied AV nodal conduction during right and left atrial (coronary sinus) stimulation in 46 patients (27 women and 19 men; mean age, 46+/-4 years) who had structurally normal hearts. At an identical cycle length (600 ms), left atrial stimulation resulted in shorter A-H intervals than right atrial stimulation (73+/-3 ms versus 99+/-3 ms; P
ISSN:	0009-7322 1524-4539
DOI:	10.1161/01.CIR.0000041000.94343.28