[Entrainment phenomenon of atrioventricular nodal reentrant and atrioventricular reentrant tachycardias].
Copyright policy )[Entrainment phenomenon of atrioventricular nodal reentrant and atrioventricular reentrant tachycardias].
Atrioventricular nodal reentrant tachycardia (AVNRT) and atrioventricular reentrant tachycardia (AVRT) were induced by esophageal pacing and their entrainment zones were examined in 20 patients. The results showed that the entrainment phenomenon, which was a common electrophysiological phenomenon in reentrant tachycardia, occurred during overdrive pacing in 19 cases (19/20). The entrainment zone was 10-70 (30.50 +/- 20.85, mean +/- s) ms. The tachycardias could not be interrupted by pacing within the entrainment zone, but they were terminated by burst pacing, with starting pacing cycle length shorter than the shortest entrainment cycle length.
Adult, Male, Pre-Excitation Syndromes, Cardiac Pacing, Artificial, Middle Aged, Electrophysiology, Electrocardiography, Esophagus, Humans, Tachycardia, Atrioventricular Nodal Reentry, Female, Aged
Adult, Male, Pre-Excitation Syndromes, Cardiac Pacing, Artificial, Middle Aged, Electrophysiology, Electrocardiography, Esophagus, Humans, Tachycardia, Atrioventricular Nodal Reentry, Female, Aged
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