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P-wave dispersion for predicting maintenance of sinus rhythm after cardioversion of atrial fibrillation
Authors:Dogan Abdullah  Avsar Alaettin  Ozturk Mustafa
Affiliation:Department of Cardiology, Medical School, Suleyman Demirel University, Isparta, Turkey. adogan35@hotmail.com
Abstract:P-wave measurements and left atrial function were investigated to predict the maintenance of sinus rhythm after cardioversion of atrial fibrillation. Left atrial dimension <45 mm (p = 0.02) and P-wave dispersion <46 ms (p <0.001) were independent predictors of sinus rhythm maintenance, with a sensitivity of 89% and 96%, respectively. Duration of atrial fibrillation, maximum P-wave duration, and no spontaneous echocardiographic contrast were also univariate predictors.
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