{{Infobox medical condition
| name = 心肌梗塞<br/>Myocardial infarction
| synonyms = Acute myocardial infarction (AMI), heart attack
| image = AMI scheme.png
| caption = 心肌梗死的圖,由於[[左冠状动脉]](LCA)有一個分支堵塞(位置(1)處),造成[[心脏的胸肋面|心前壁]]顶端(位置(2))梗死,圖中的RCA是{{tsl|en|right coronary arteries|右冠状动脉}}。
| field = [[心臟病學]]
| symptoms = [[胸痛]]、[[呼吸困难]]、[[噁心]]、[[頭暈]]、{{tsl|en|presyncope|昏厥前期}}、[[汗液|冒冷汗]]、[[疲倦]]<ref name=HLB2014>{{cite web|title=What Are the Signs and Symptoms of Coronary Heart Disease?|url=http://www.nhlbi.nih.gov/health/health-topics/topics/cad/signs|website=www.nhlbi.nih.gov|accessdate=23 February 2015|date=September 29, 2014|archive-url=https://web.archive.org/web/20150224034615/http://www.nhlbi.nih.gov/health/health-topics/topics/cad/signs|archive-date=2015-02-24|dead-url=yes}}</ref>
| complications = [[心臟衰竭]]、[[心律不整]]、[[心因性休克]]、[[心搏停止]]
| causes = 通常是[[冠狀動脈疾病]]
| risks = [[高血壓]]、[[吸菸]]、[[糖尿病]]、{{tsl|en|lack of exercise||缺乏運動}}、[[肥胖症]]、[[高膽固醇血症]]
| diagnosis = [[心电图]](ECG)、[[血液]]檢查、{{tsl|en|coronary angiography|冠狀動脈造影}}
| treatment = [[经皮冠状动脉介入治疗]]、{{tsl|en|thrombolysis|血栓溶解}}
| medication = [[乙酰水杨酸|阿司匹林]]、[[硝酸甘油 (藥物)|硝酸甘油]]、[[肝素]]
| prognosis = ST 時段上升心肌梗塞(STEMI)有10%死亡的風險(已開發國家)
| frequency = 1.59千萬(2015年)
| deaths = 1.6千萬人(2015年)<ref name=GBD2015Pre>{{cite journal|last1=GBD 2015 Disease and Injury Incidence and Prevalence|first1=Collaborators.|title=Global, regional, and national incidence, prevalence, and years lived with disability for 310 diseases and injuries, 1990–2015: a systematic analysis for the Global Burden of Disease Study 2015.|journal=Lancet|date=2016-10-08|volume=388|issue=10053|pages=1545–1602|pmid=27733282|doi=10.1016/S0140-6736(16)31678-6|pmc=5055577}}</ref>
}}