血气诊断（11版内科学）

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1、血气诊断Questions130-134Foreachclinicalsituation,selectthearterialbloodgasandpHvalueswithwhichitismostlikelyLobeassociated.a.pH7.50,Po275,Pco228b.pH7.15,Po278,Pco292c.pH7.06,Po236、Pco295d.pH7.06,P0210&Pco213e.pH7.39,Po24&PC654130.A30-year-oldobesefemalebusdr

2、iverdevelopssuddenpleuriticleft-sidedchestpainanddyspnea.13LA60-year-oldheavysmokerhasseverechronicbronchitisandperipheraledemaandcyanosis.132.A22・year-olddrug-addictedmanisbroughtlotheemergencyroombyfriendswhowereunableloawakenhim.133.A62-year-oldmanwho

3、haschronicbronchitisandchesipainisgivenoxygenviamaskintheambulanceenroutetothehospitalandbecomeslethargicintheemergencyroom.134.A20-year-oldmanwithdiabetesmelliiuscomes(otheemergencyroomwithdiffuseabdominalpain,tachypnea,andfever.Youhavebeenassignedtorev

4、iewtheECGsforthegroupthismonih.TheonlybackgroundinformationavailabletoyouisasgivenoneachECG.Foreachofthenumberedcases(ECGs)below,selecttheelectrocardiographicfinding,fromamongthoselisted,whichismostlikelytooccur.a.Eleciricalakernansb.WidenedQRScomplexc.

5、STsegmentscoopingd.ShonenedQTintervale.ProlongedQTinieival[PromineniUwaves187.A64-year-oldfemale,diagnosedwithvenousinsufficiency,isonfurosemide.188.A70-year-oldmale,diagnosedwithmildchronicrenalinsufficiencyplusCHF;isonmetoprolol>losartan,andspironolact

6、one;he!sallergictofurosemide.214.Apatientwithsmallcellcarcinomaofthelungdevelopslethargy.Serumelectrolytesaredrawnandshowaserumsodiumof118mg/L.Thereisnoevidenceofedema,orthostaiichypotension,ordehydration.Urineisconceniraiedwithanosmolalityof320mmol/kg・S

7、erumBUN,creatinine,andglucosearewithinnormalrange.Whichofthefollowingisthenextappropriatesiep?a.Normalsalineinfusiona.Diuresisb.Fluidrestrictioncl.Tetracycline214.Theanswerisc.(Ka^pei;pp2102-2103.)Thepalienldescribedhashyponatremia,normovolemia,andconcen

8、tratedurine.Thesefeaturesaresufficienttomakeadiagnosisofinappropriateantidiurctichormonesecre-lion・lnappropriaLeADHsecretionoccurs,insomecases,duetoectopicproductionbyneoplastictissue.Treatmentnecessitatesrestrictionofflui