Why the study?
What factors predict the maintenance of sinus rhythm after direct current cardioversion in patients with atrial fibrillation and flutter?
What factors predict the maintenance of sinus rhythm after direct current cardioversion in patients with atrial fibrillation and flutter?
DC cardioversion is effective for restoring sinus rhythm in atrial tachyarrhythmias, with long-term maintenance predicted by smaller heart size on chest X-ray and initial presentation of atrial flutter or short-duration arrhythmia.
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Heart size on chest X-ray may guide expectations for sinus rhythm maintenance after cardioversion; extends observational predictors but leaves open prospective confirmation.
Arnar et al. (2008) studied this question.
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