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. 2021 Dec 2:cvab343. doi: 10.1093/cvr/cvab343

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This article has been co-published with permission in the European Heart Journal and Cardiovascular Research. © The European Society of Cardiology 2021. All rights reserved. The articles are identical except for minor stylistic and spelling differences in keeping with each journal's style. Either citation can be used when citing this article.

This article is published and distributed under the terms of the Oxford University Press, Standard Journals Publication Model (https://academic.oup.com/journals/pages/open_access/funder_policies/chorus/standard_publication_model)

This article is made available via the PMC Open Access Subset for unrestricted re-use and analyses in any form or by any means with acknowledgement of the original source. These permissions are granted for the duration of the COVID-19 pandemic or until permissions are revoked in writing. Upon expiration of these permissions, PMC is granted a perpetual license to make this article available via PMC and Europe PMC, consistent with existing copyright protections.

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Ventricular tachyarrhythmias. DC, direct current; i.v., intravenous; QT, QT interval; QTc, corrected QT interval; TdP, torsade de pointes; VF, ventricular fibrillation; VT, ventricular tachycardia. ^aThe benefit of i.v. amiodarone treatment should be balanced against the proarrhythmic risk in patients taking QT-prolonging antiviral therapy.