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. 2015 Jul 16;8(9):33. doi: 10.1007/s12410-015-9349-6

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© The Author(s) 2015

Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.

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Fig. 7 — Fusion imaging may improve safety during SHD procedures. On the TEE image, a landmark (marker 2) is placed to identify the warfarin ridge on fluoroscopy (a, b). During the procedure, this critical landmark may not always be visible on echocardiography. Nevertheless, it is shown on the fluoroscopy image, with the position updated depending on the C-arm angulation (c LAO 44°, CRA 9°; d LAO 46°, CRA 12°). Such markers ensure safe and precise passage of a large catheter through the interatrial septum (e, marker 1) and may raise caution when approaching them (f, marker 2)