Relationship between atrial fibrillation and typical atrial flutter in humans : Activation sequence changes during spontaneous conversion

A transitional rhythm precedes the spontaneous onset of atrial flutter in an animal model, but few data are available in man. In 10 patients, 16 episodes of atrial fibrillation (166+/-236 seconds) converting into atrial flutter during electrophysiological evaluation were analyzed. A 20-pole catheter...

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Bibliographic Details
Published in:Circulation (New York, N.Y.) N.Y.), 1997-11, Vol.96 (10), p.3484-3491
Main Authors: ROITHINGER, F. X, KARCH, M. R, STEINER, P. R, SIPPENSGROENEWEGEN, A, LESH, M. D
Format: Article
Language:English
Subjects:
Aged
Aged, 80 and over
Atrial Fibrillation - complications
Atrial Fibrillation - physiopathology
Atrial Flutter - etiology
Atrial Flutter - physiopathology
Biological and medical sciences
Cardiac dysrhythmias
Cardiology. Vascular system
Electrocardiography
Female
Forecasting
Heart
Humans
Male
Medical sciences
Middle Aged
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Summary:A transitional rhythm precedes the spontaneous onset of atrial flutter in an animal model, but few data are available in man. In 10 patients, 16 episodes of atrial fibrillation (166+/-236 seconds) converting into atrial flutter during electrophysiological evaluation were analyzed. A 20-pole catheter was used for mapping the right atrial free wall. Preceding the conversion was a characteristic sequence of events: (1) a gradual increase in atrial fibrillation cycle length (150+/-25 ms after onset, 166+/-28 ms before conversion, P
ISSN:0009-7322
1524-4539
DOI:10.1161/01.CIR.96.10.3484