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Demonstrates that a single site with exit block can mimic atrial fibrillation and be successfully treated with radiofrequency ablation.
We describe the case of a patient who has a right atrial tachycardia and atrial fibrillation who was found to have a single site responsible for both. We recorded a tachycardia from this site with exit block into the remainder of the atria.
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Mecca et al. (1998) studied this question.
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