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Ventricular Tachycardia in Non-ischemic Cardiomyopathy

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Catheter Ablation

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Abstract

Non-ischemic cardiomyopathy is defined as a cardiomyopathy characterized by mechanical dysfunction in the absence of significant coronary artery disease. This category contains various kinds of heart disease. Patients with non-ischemic cardiomyopathy sometimes present lethal ventricular arrhythmias such as ventricular tachycardia (VT) and ventricular fibrillation. According to guidelines, the first-line therapy for non-ischemic VT is optimization of the ICD programming and antiarrhythmic drugs. However, ventricular tachyarrhythmias cannot be prevented by the ICD itself. The mechanism of non-ischemic VTs is mainly reentry. Therefore, the same mapping and ablation techniques using 3D mapping system for past-infarction VT can be applied. Catheter ablation is also highly effective in patients with non-ischemic VT as post-infarction VT.

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Authors and Affiliations

  1. Department of Cardiovascular Medicine, Tokyo Medical and Dental University, 1-5-45 Yushima, Bunkyo-ku, Tokyo, 113-8510, Japan

    Masahiko Goya

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  1. Masahiko Goya
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Correspondence to Masahiko Goya .

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Editors and Affiliations

  1. Cardiovascular Medicine, Tokyo Medical and Dental University, Tokyo, Japan

    Kenzo Hirao

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© 2018 Springer Nature Singapore Pte Ltd.

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Goya, M. (2018). Ventricular Tachycardia in Non-ischemic Cardiomyopathy. In: Hirao, K. (eds) Catheter Ablation. Springer, Singapore. https://doi.org/10.1007/978-981-10-4463-2_35

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  • DOI: https://doi.org/10.1007/978-981-10-4463-2_35

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  • Publisher Name: Springer, Singapore

  • Print ISBN: 978-981-10-4462-5

  • Online ISBN: 978-981-10-4463-2

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