Overdrive and Programmed Atrial Electrostimulation in the Study of the Electrogenetic Mechanism of Atrial Flutter in Man
- 1 March 1981
- journal article
- Published by Wiley in Pacing and Clinical Electrophysiology
- Vol. 4 (2), 133-147
- https://doi.org/10.1111/j.1540-8159.1981.tb06536.x
Abstract
The response of atrial flutter (AF) to programmed atrial stimulation (PAS) (13 cases) and overdrive atrial padng (OAP) was studied in a total of 13 patients. During PAS the return cycle was equal to the basic cycle of AF in six patients, shorter in one patient, and slightly longer in six; it was never compensatory, Atrial flutter terminated in two patients by PAS and by OAP in three. In 4 patients, PAS resulted in an acceleration of the AF rate, followed by spontaneous interruption within 2 seconds. In the remaining patients, the stimulation either converted the AF into an uncommon type of AF (two patients) or into atrial fibrillation that was followed by spontaneous return to sinus rhythm, in two patients it was possible to reproduce the AF with PAS; in one of the patients another type of AF was induced. Some of the data observed suggest a reentry circuit as the electrogenetic mechanism responsible for AF in man.Keywords
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