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. 2023 Apr 15;25(4):1208–1236. doi: 10.1093/europace/euad043

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© The Author(s) 2023. Published by Oxford University Press on behalf of the European Society of Cardiology.

This is an Open Access article distributed under the terms of the Creative Commons Attribution-NonCommercial License (https://creativecommons.org/licenses/by-nc/4.0/), which permits non-commercial re-use, distribution, and reproduction in any medium, provided the original work is properly cited. For commercial re-use, please contact journals.permissions@oup.com

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Importance of the RAO view for evaluating issues with lead orientation which may appear adequate in the LAO view (top panels) and after re-positioning (bottom panels) in two patients. (A) Patient without clear progression of the lead in LAO view, with basal orientation of the lead revealed by the RAO view. (B) Another patient with apparent lead progression in the LAO view but without terminal R in V1 and no change in V6RWPT, with antero-apical orientation of the lead revealed by the RAO view.