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Case Reports
Refractory inappropriate sinus tachycardia successfully treated with radiofrequency ablation at the arcuate ridge.
- Ammar M Killu, Faisal F Syed, Puqiang Wu, and Samuel J Asirvatham.
- Department of Internal Medicine, Mayo Clinic, Rochester, Minnesota, USA.
- Heart Rhythm. 2012 Aug 1; 9 (8): 1324-7.
AbstractSupraventricular tachycardias similar to sinus rhythm are difficult to evaluate and treat with catheter ablation. In addition to inappropriate sinus tachycardia (IST), curative ablation of atrial tachycardia arising from the crista terminalis is well described. We report the case of a 48-year-old woman with multiple failed ablation attempts for IST successfully ablated on the arcuate ridge. Ultrasound and fluoroscopy-guided mapping and ablation of this specific endocavitary anatomic site may be helpful in certain patients with the diagnosis of IST.Copyright © 2012 Heart Rhythm Society. Published by Elsevier Inc. All rights reserved.
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