Clinical and electrophysiological characteristics of patients having atrial flutter with 1:1 atrioventricular conduction.

Clinical and electrophysiological characteristics of patients having atrial flutter with 1:1 atrioventricular conduction. Research Abstract Details 

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Clinical and electrophysiological characteristics of patients having atrial flutter with 1:1 atrioventricular conduction. Abstract Text:

Aims The purpose of this retrospective study was to assess characteristics of patients who had suffered atrial flutter (AFL) with 1:1 atrioventricular (AV) conduction (1:1 AFL). Methods and results Subjects were 8 patients (61 +/- 14 years) with documented 1:1 AFL, and 101 AFL patients without a history of 1:1 AFL (control patients). 1:1 AFL occurred during physical activity with a ventricular rate of 218 +/- 18 bpm. Antiarrhythmic agents were administered to all eight 1:1 AFL patients, whereas AV nodal conduction-suppressing agents were administered to four. The maximum ventricular rate at which 1:1 AV conduction occurred was significantly lower than when spontaneous 1:1 AFL occurred (164 vs. 218 bpm, P < 0.05). The 1:1 AFL patients had a significantly longer AFL cycle length (CL) (292 vs. 258 ms, P < 0.05) and more rapid AV nodal conduction time (maximum 1:1 AV conduction: 375 vs. 464 ms, P < 0.05) than did control. Arrhythmia had occurred in patients with an AFL CL >/= 250 ms and a CL of maximum 1:1 AV conduction

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Clinical and electrophysiological characteristics of patients having atrial flutter with 1:1 atrioventricular conduction. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: Europace : European pacing, arrhythmias, and cardi

VOLUME: 10

Page Numbers: 284-8

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ISSN: 1532-2092

DAY: 7

MONTH: 02

YEAR: 2008

Clinical and electrophysiological characteristics of patients having atrial flutter with 1:1 atrioventricular conduction. Information

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LANGUAGE: eng

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AFFILIATION: Department of Cardiovascular Medicine, Tokyo Medical and Dental University, 1-5-45 Yushima, Bunkyo-ku, Tokyo 113-8519, Japan.

Country: England

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