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高考资源网(),您身边的高考专家 高考资源网(),您身边的高考专家 欢迎广大教师踊跃来稿,稿酬丰厚。 欢迎广大教师踊跃来稿,稿酬丰厚。 高考资源网(),您身边的高考专家 欢迎广大教师踊跃来稿,稿酬丰厚。 PhysiciansbelievemanydeathscanbepreventedwithproperuseofCPR,orcardiopulmonaryresuscitation.(心肺复苏技术) Therescuer(救助者)shouldfirstcheckforsignsofbreathingandpulse(脉搏),ifneitherispresent,havesomeonephoneforhelp.Meanwhiletherescuershouldpositionthevictim(受害人,发病人)ontheback,turnthevictim'sheadtotheside,andremoveanyformofobjectsfromairway.Thentilt(使倾斜)thevictim'sheadback,pinch(掐,捏)thevictim'snostrils(鼻孔)closed,andinhale(吸气)deeply,andplacetherescuer'smouthoverthevictim'stoformatightsill(基石,门槛).Therescuershouldexhaletwiceslowlyintothevictim'smouthuntilthechest(胸膛)rises.Therescuershouldbendwitharmsheldstraightupanddown,press15timesonthemiddleofthevictim'schest.Alternating(交替,轮流)thiscompressionwithmouthtomouthresuscitation(人工呼吸)for9to11secondsoruntilbreathingresumes(恢复).AftercompletingfourcyclesofCPR,therescuershouldcheckforanysignsofbreathingandpulse.Ifthereispulsenobreathing,continuerescuebreathing.Ifthevictimhasneitherpulsenorbreathing,continueCPRasnecessary.