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. 2017 Oct 25;71(1):26–35. doi: 10.1097/FJC.0000000000000541

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Copyright © 2017 The Author(s). Published by Wolters Kluwer Health, Inc.

This is an open-access article distributed under the terms of the Creative Commons Attribution-Non Commercial-No Derivatives License 4.0 (CCBY-NC-ND), where it is permissible to download and share the work provided it is properly cited. The work cannot be changed in any way or used commercially without permission from the journal.

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FIGURE 9. — Ventricular effects of drug treatments. A, ECG from the same horse before (1) and after (2) dofetilide administration with illustration of QRS duration and QT interval. Heart rate is 36 bpm in both ECGs. B, QRS duration and (C) corrected QT intervals (QTc) after drug treatment presented as the mean prolongation ± SEM compared with the control group receiving saline. #Represents significance levels of the comparison between the different drug treatments and the control group. *P < 0.05; ***P < 0.001; ###P < 0.001.