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. 2017 Sep 8;25(12):669–674. doi: 10.1007/s12471-017-1036-6

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© The Author(s) 2017

Open Access This 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. 2 — Microtransoesophageal echocardiographic images during left atrial appendage closure. Microtransoesophageal echocardiography during left atrial appendage (LAA) closure. a The LAA is shown at 51 degrees, and the dimensions routinely measured for LAA closure are drawn: ostium (blue), landing zone (light green), depth of ostium (red), depth of landing zone (dark green), and the total depth (yellow). b A Watchman device is advanced in the LAA. c The Watchman device is deployed and colour compare mode shows no residual flow. d The Watchman device is released