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Acutecoronarysyndrome（急性冠状动脉综合征）,ACS,isagroupofconditionsthatoccurwhenbloodsupplytoanareaoftheheartmuscle,themyocardium（心肌）,issuddenlyreducedorblocked.
Reducedbloodsupplyistermedischemia（局部缺血）.Aprolongedischemiacanleadtodeathofthehearttissue,knownasheartattackormyocardialinfarction（心肌梗死）.
Atypicalsymptom（典型症状）ofACSiscentralchestpainordis