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. 2018 Mar 15;6:20. doi: 10.1186/s40560-018-0285-9

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© The Author(s). 2018

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. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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Fig. 1 — Primary health care algorithm for acute coronary syndrome. ABC airway, breathing, and circulation; CCU cardiac care unit; CLBBB complete left bundle block; ECG electrocardiogram; EMS emergency medical services; hs-cTn high-sensitivity cardiac troponin; IV intravenous; MI myocardial infarction; PCI percutaneous coronary intervention; TTE transthoracic echocardiography; UA unstable angina