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. 2024 Nov 20;14(11):1113. doi: 10.3390/jpm14111113

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© 2024 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).

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Catheter placement of catheters in preparation for an invasive electrophysiological study. (A) A right anterior oblique (RAO) image of a duodecapolar Cristacath catheter (A20) catheter inside an SR0 sheath along the tricuspid annulus, another duodecapolar catheter placed in the coronary sinus, a quadripolar catheter advanced to the RV apex, an octapolar catheter advanced to the His position, and an ablation catheter within a steerable sheath positioned in the anterolateral tricuspid annulus. (B) The same catheters are pictured in the left anterior oblique (LAO) view.