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Part 10: Acute coronary syndromes:2010 American Heart Association guidelines for cardiopulmonaryresuscitation and emergency cardiovascular care. <i>Circulation<\/i> 2010; 122(18 Suppl 3): S787\u2013S817.","DOI":"10.1161\/CIRCULATIONAHA.110.971028"},{"key":"6","doi-asserted-by":"crossref","unstructured":"6. Steg PG, James SK, Atar D, Badano LP, Lundqvist CB, Borger MA, et al. ESC guidelines for the management of acute myocardial infarction in patients presenting with ST-segment elevation. <i>Eur Heart J<\/i> 2012; 33: 2569\u20132619.","DOI":"10.1093\/eurheartj\/ehs215"},{"key":"7","doi-asserted-by":"crossref","unstructured":"7. Thygesen K, Alpert JS, Jaffe AS, Chaitman BR, Bax JJ, Morrow DA, et al. Fourth universal definition of myocardial infarction (2018). <i>J Am Coll Cardiol<\/i> 2018; 72: 2231\u20132264.","DOI":"10.1016\/j.jacc.2018.08.1038"},{"key":"8","doi-asserted-by":"crossref","unstructured":"8. Kimura K, Kimura T, Ishihara M, Nakagawa Y, Nakao K, Miyauchi K, et al. 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Present and future status of cardiovascular emergency care system in urban areas of Japan: Importance of prehospital 12-lead electrocardiogram. <i>Circ J<\/i> 2022; 86: 591\u2013599.","DOI":"10.1253\/circj.CJ-21-0807"},{"key":"12","doi-asserted-by":"crossref","unstructured":"12. Singh A, Nguyen L, Everest S, Bhandari M. Coronary vasospasm presenting as ST-elevation myocardial infarction. <i>Cureus<\/i> 2022; 14: e22205.","DOI":"10.7759\/cureus.22205"},{"key":"13","doi-asserted-by":"crossref","unstructured":"13. Cho SW, Park TK, Gwag HB, Lim AY, Oh MS, Lee DH, et al. Clinical outcomes of vasospastic angina patients presenting with acute coronary syndrome. <i>J Am Heart Assoc<\/i> 2016; 5: e004336.","DOI":"10.1161\/JAHA.116.004336"},{"key":"14","doi-asserted-by":"crossref","unstructured":"14. Nakayama N, Kimura K, Endo T, Fukui K, Himeno H, Iwasawa Y, et al. Current status of emergency care for ST-elevation myocardial infarction in an urban setting in Japan. <i>Circ J<\/i> 2009; 73: 484\u2013489.","DOI":"10.1253\/circj.CJ-08-0554"},{"key":"15","unstructured":"15. Otani H, Tanaka H, Maki A, Takyu H, Harikae K, Ueta H, et al. The utilization of pre-hospital 12 lead electrocardiogram by emergency life-saving technicians and its education. <i>J Jpn Soc Emerg Med<\/i> 2017; 20: 703\u2013711."},{"key":"16","doi-asserted-by":"crossref","unstructured":"16. Mizuno Y, Harada E, Morita S, Kinoshita K, Hayashida M, Shono M, et al. East Asian variant of aldehyde dehydrogenase 2 is associated with coronary spastic angina: Possible roles of reactive aldehydes and implications of alcohol flushing syndrome. <i>Circulation<\/i> 2015; 131: 1665\u20131673.","DOI":"10.1161\/CIRCULATIONAHA.114.013120"},{"key":"17","doi-asserted-by":"crossref","unstructured":"17. Pristipino C, Beltrame JF, Finocchiaro ML, Hattori R, Fujita M, Mongiardo R, et al. 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