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职称英语阅读理解备考习题卫生C2018年职称英语阅读理解备考习题卫生Cyoucan’thaveabettertomorrowifyoudon’tstopthinkingaboutyesterday.以下是小编为大家搜索整理的2018年职称英语阅读理解备考习题卫生C,希望能给大家带来帮助!更多精彩内容请及时关注我们应届毕业生考试网!FirstSelf-containedHeartImplantedApatientonthebrinkofdeath1hasreceivedtheworld’sfirstself-containedartificialheart—abattery-powereddeviceaboutthesizeofasoftballthatrunswithouttheneedforwires,tubesorhosesstickingoutofthechest.TwosurgeonsfromtheUniversityofLouisvilleimplantedthetitaniumandplasticpumpduringaseven-houroperationatJewishHospitalMonday.Thehospitalsaidthepatientwas“awakeandresponsive”Tuesdayandrestingcomfortably.Itrefusedtoreleasepersonaldetails.Thepatienthadbeenexpectedtodiewithinamonthwithouttheoperation,anddoctorssaidtheyexpectedtheartificialhearttoextendtheperson’slifebyonlyamonth.Butthedeviceisconsideredamajorsteptowardimprovingthepatient’squalityoflife.Thenewpump,calledAbioCor,isalsoatechnologicalleapfromthemechanicalheartsusedinthe1980s,whichwereattachedbywiresandtubestobulkymachineryoutsidethebody.Themostfamousofthose,theJarvic–7,usedairasapumpingdeviceandwasattachedtoanapparatusaboutthesizeofawashingmachine.“Ithinkit’spotentiallyamajorstepforwardintheartificialheartdevelopment,”saidDr.DavidFaxon,presidentoftheAmericanHeartAssociation.However,hesaidthedreamofanimplantable,permanentartificialheartisnotyetareality:“Thisisobviouslyanexperimentaldevicewhoselong-termsuccesshastobedemonstrated.”Onlyabouthalfofthe4,200Americansonawaitinglistfordonorheartsreceivedthemlastyear,andmostoftherestdied.Somedoctors,includingRobertHiggins,chairmanofcardiologyattheMedicalCollegeofVirginiainRichmond,saidartificialheartsareunlikelytoreplacedonorhearts.“Adonorheartinagoodtransplantcanlast15to30years,”hesaid.“It’sgoingtobehardtoreplacethatwithamachine.”TheAbioCorhasa2–poundpumpingunit,andelectroniccontrolsthatadjustthepumpingspeedbasedonthebody’sneeds.Itispoweredbyasmallbatterypackwornoutsidethebodythattransmitscurrentthroughtheskin.21.Thepumpofthefirstimplantedself-containedheartwasmadeoftitaniumandplast