Atrial tachycardia ablated from the non-coronary aortic cusp |
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Authors: | Baszko Artur Krzyzanowski Krzysztof Zinka Elzbieta Grajek Stefan |
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Institution: | Klinika Kardiologii, Akademia Medyczna, ul. D?uga 1/2, 61-848 Poznań. abaszko@wp.pl |
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Abstract: | We present a case of a patient with drug resistant atrial tachycardia which was ablated from the noncoronary aortic cusp. Tachycardia was adenosine-sensitive and was characterized by a long RP' interval and low amplitude P waves (biphasic in II, III, aVF and V1-V2 leads, and positive in aVL). The earliest atrial activation during tachycardia was recorded at His region and from non-coronary aortic sinus of Valsalva. RF ablation at this area terminated tachycardia and did not impair atrio-ventricular conduction. |
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