Evidence of Sinoatrial Block as a Curative Mechanism in Radiofrequency Current Ablation of Inappropriate Sinus Tachycardia

Sinoatrial Block After RFC Modification of Sinus Node. Inappropriate sinus tachycardia is a nonparoxysmal tachycardia characterized by high resting heart rates and a disproportionate response to activity. Sinus node modification with radiofrequency current has been used successfully as treatment for...

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Bibliographic Details
Published in:Journal of cardiovascular electrophysiology 2001-02, Vol.12 (2), p.264-267
Main Authors: MISCHKE, KARL, STELLBRINK, CHRISTOPH, HANRATH, PETER
Format: Article
Language:English
Subjects:
Adult
antiarrhythmic treatment
Catheter Ablation
Electrocardiography
Female
Humans
inappropriate sinus tachycardia
radiofrequency current modification
Sinoatrial Block - physiopathology
sinus node
supraventricular tachycardia
Tachycardia, Sinus - physiopathology
Tachycardia, Sinus - surgery
Thyroidectomy
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Summary:Sinoatrial Block After RFC Modification of Sinus Node. Inappropriate sinus tachycardia is a nonparoxysmal tachycardia characterized by high resting heart rates and a disproportionate response to activity. Sinus node modification with radiofrequency current has been used successfully as treatment for this arrhythmia. However, the electrophysiologic mechanisms leading to successful modification are not yet fully elucidated. We report a case of a patient with drug‐resistant inappropriate sinus tachycardia in whom successful treatment of the arrhythmia was achieved by documented sinoatrial exit block induced by radiofrequency current applications.
ISSN:1045-3873
1540-8167
DOI:10.1046/j.1540-8167.2001.00264.x