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Topic 1062 Version 48.0 https://www.uptodate.com/contents/arrhythmia-induced-cardiomyopathy/print 27/29 7/6/23, 11:10 AM Arrhythmia-induced cardiomyopathy - UpToDate GRAPHICS Tachycardia-mediated cardiomyopathy: Improvement with treatment Associated arrhythmia Number of patients Evidence for improvement Treatment Atrial fibrillation 14 AV node ablation and pacer Increased EF Atrial fibrillation 12 Cardioversion Increased EF Atrial fibrillation 10 Rate control or Increased EF conversion Ectopic atrial 10 Surgical ablation Increased EF tachycardia AVRT 4 Medications Increased EF RVOT VT 1 Ablation Increased EF LV VT 1 Ablation Increased EF AVRT: atrioventricular reentrant tachycardia mediated by an accessory pathway; EF: ejection fraction; RVOT VT: right ventricular outflow tract ventricular tachycardia; LV VT: idiopathic left ventricular tachycardia. Graphic 59233 Version 1.0 https://www.uptodate.com/contents/arrhythmia-induced-cardiomyopathy/print 28/29 7/6/23, 11:10 AM Arrhythmia-induced cardiomyopathy - UpToDate Contributor Disclosures Cynthia M Tracy, MD No relevant financial relationship(s) with ineligible companies to disclose. William J McKenna, MD Consultant/Advisory Boards: Bristol Meyers Squibb [Novel pharmacological treatments for HCM]; Cytokinetics [Novel pharmacological treatments for HCM]; Health in Code [Genetic testing in inherited cardiac disease]; Tenaya Therapeutics [Gene therapy in cardiomyopathy]. All of the relevant financial relationships listed have been mitigated. Todd F Dardas, MD, MS No relevant financial relationship(s) with ineligible companies to disclose. Contributor disclosures are reviewed for conflicts of interest by the editorial group. When found, these are addressed by vetting through a multi-level review process, and through requirements for references to be provided to support the content. Appropriately referenced content is required of all authors and must conform to UpToDate standards of evidence. Conflict of interest policy https://www.uptodate.com/contents/arrhythmia-induced-cardiomyopathy/print 29/29