Intracardiac echocardiography in a case with previous failed cavotricuspid isthmus ablation
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The Eustachian ridge (ER) can present an obstacle to cavotricuspid isthmus (CTI) ablation. We describe a case, where intracardiac echocardiography revealed a prominent ER as a likely reason for a previous failed CTI ablation and guided the looping of the ablation catheter around the ER, resulting in an ultimately successful ablation.
KeywordsIntracardiac echocardiography Cavotricuspid isthmus Eustachian ridge
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