Management of paroxysmal atrial fibrillation

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Abstract
Paroxysmal atrial fibrillation is a common, poorly understood and difficult-to-treat arrhythmia. Although it tends to be treated in a similar fashion to chronic atrial fibrillation, its pathophysiology is different, and drugs commonly used for chronic atrial fibrillation may have only limited value in treating paroxysmal atrial fibrillation. A broad range of presenting clinical symptoms may be associated with this arrhythmia, and even in the asymptomatic patient, there may be a risk of serious thromboembolic events. In symptomatic patients, effective control of paroxysms with anti-arrhythmic therapy can often be difficult, and the role of anticoagulation remains controversial. This review attempts to clarify these issues, by surveying the range of therapies available.

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