因:冠心病,心肌病变,主动脉疾病非心源性疾病:窒息,触电,药物过量,溺水,麻醉,手术,创伤 心搏骤停的严重后果以秒计算5~10秒—意识丧失,突然倒地。30秒—可出现全身抽搐。60秒—瞳孔散大,自主呼吸逐渐停止。4分钟—开始出现脑细胞死亡。8分钟—“脑死亡”“植物状态”。monthanyouthink,andtheycanhappentoanyoneatanytime.Nearly383,000out-of-urannually,urathome.Manyvictimsappearhealthywithnoknownheartdiseaseorotherriskfactors.Suddencardiacarrestisnotthesameasaheartattack.erapidorchaotic,whichcausesthehearttosuddenlystopbeating.urswhenthebloodsupplytopartoftheheartmuscleisblocked.Aheartattackmaycausecardiacarrest.WHYLEARNCPR?CPR&SuddenCardiacArrest(SCA)//WhatisCPR/CPRFactsandStats/CPR-Statistics_UCM_307542_Article.jsp8Impactofdispatcher-assistedcardiopulmonaryresuscitation(CPR)onperformanceofbystanderCPRratesin(A)Detroit,Michigan(n=684);(B)theKantoregionofJapan(n=1151);and(C)Seattle/KingCounty,Washington(n=404).9WHYTEACHCPR?10
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