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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. 2 — Time-course goals for reperfusion in acute coronary syndrome. The target time from symptom onset to reperfusion is ≤ 120 min. The target time from first medical contact to fibrinolysis is ≤ 30 min. The target time from first medical contact to percutaneous coronary intervention is ≤ 90 min. However, there are many factors that can delay reperfusion. To prevent delay, we must educate citizens to call EMS as soon as symptoms occur. To prevent transportation, prehospital system, and door-to-balloon delays, prehospital 12-lead ECG is recommended. Prehospital ECG can shorten the duration of EMS evaluation (hospital selection) and emergency department evaluation (decision to reperfuse). ECG electrocardiogram, EMS emergency medical services