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Retired NBME 20 Answers

nbme20/Block 3/Question#29 (reveal difficulty score)
An 83-year-old man is brought to the ...
Early septic shock 🔍 / 📺 / 🌳 / 📖
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 +7  upvote downvote
submitted by hayayah(1212)
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tSpcei hcsko is a pety of brtusieidivt hskco chhiw si kemrda by sevmias ltaidvnaisoo dt/( alyfraitmomn neo)sserp cuniasg eeddrecas RV,S daesecdre eopdlar / P,WPC nda censadeir CO.

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smc213  Scpite kchso nca losa etserpn tihw pthayrioemh ;lt6&C3 +3
bethune  Wyh is it ont otrtialngnatsise gnbleid?e +4
beanie368  IG deelgnbi dowlu eneprst htiw iseacdner SRV sa a oesenrsp ot ylheivpaomo +10
mysteriousmantyping  yhW oudlw hist ont be aolpynurm m?mleosib +1
step1passfail  alPnoumry moeilmbs olwdu euacs a ecseaerd ni aacicdr ttou.up hTree si icedranse pserrseu in eht hghi catiplonm VR chhiw can gbuel dan ssceropm het V,L deneraigcs tis oeradl.p COeat=Hr trea x ortsek louemv nad korets moeluv si aayrtillp irndteeedm yb ea.dlopr If hte amnyurpol msemlibo is legra hg,uone it acn alos rbutotsc hte omarlnuyp esvlsse and ynssuuelbqte otn ahve noghue dbolo ggoni to the LA dan V,L ttumyelial kmanig eht raciadc utputo aern 0. +3
chj7  uOt of lla hte etrfndfie spety fo ocsh,k icacard tptuou si iedrecans noyl ni usdttribieiv hscko .ie( iaptahyccnla, p)ct.sie +1



 +1  upvote downvote
submitted by bfinard1(3)
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aCn mesneoo lxpaein hwy cdcaari putuot si hihg in ipcest cksoh?

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drdoom  eaicBart and catalbier npcestomon kie(l P)SL in rnucaitiolc grritge vimesas lseerae fo nyetcisok Ii-1,eknrut(lne nlItieke6n-ru nda T)NaF, rsuetigln lotv.sidoaani aHrte eart srecneasi to mainaint ncdtee .BP +1
bfinard1  sI reoskt eumvol nto ecdffate by atth vesimsa vsoaaniolt?di I udwlo tnikh if osunev tessym si oiadveasltd nthe uod'y ahve eudcedr EDV morf eredduc obodl lwof ot rheta +
zedora  hotB of ouy rae rct.reoc nI scpeit skoch theer si a misaevs dliinsa.tvoao In edrro to psenmacoet orf the duderce olobd srepsue,r eerth is an isrdeecan arteh e.atr oNw, ikeengp tsih in ,dinm hatw si hte OC aoflum?r CO = RH x SV ?gtiRh stLe asy rndue mlrano idootnsnci RH si 60 p&m;a oSertk uvemol si 0.5 rYou accidra ptutuo = 60 x 50 = 0.003 Now ni stcpei hks,oc yuro tearh aetr si slysiamv ersnadeic tub uyro troske umlevo is daecresde i.ilnamylm oS elts glpu in the bmn.usre tLes ,asy erndu seitcp s,hkco RH = 510 p&ma; tesork vuelmo is wno 30. The cidrcaa ututpo si nwo noagn eb = 501 x 03 = 50,40 nehec oyru OC si neircse.da In Sicpte ,chkoS teh reath aetr si simysleva nacedrise doemcpar ot hte mtuona of VS dsceeerd.a +
drdoom  @f1bridna By iditol,snoava I omslat syuclxeilev eman aalrrtei asani.otioldv Wehn it secmo to CV, I alwyas rwok dkarawcb omfr rstif“ elspn”cp,rii and ni ym eviw het ritsf pnilpeirc of hte VC tsmsey i,s iM“naitna surspseer to itaninam odgo .l”ofw llA htero mtmdsnaiaooocc of hte VC syemst eahs(gcn ni hoy[o,t]igersrnpttn otpernct,]ohroiy[m oostisctcvonirna and av)ootldsnaii era in *seriecv* ot atiinginmna sw.fol Wiutoth oogd oslwf, you get het inhgt mhuan ustssei lkei hte se:lta nto lcka fo ngeoyx tub uamltuccoian fo CO2 and( hte idtcyai ttha geso hitw .ti) +
drdoom  ,oS all ttha aws a dgen-lwdoin yaw of isyang htat daacCir Optutu lwli rmiaen gihh hwen the odyb is inpoudcrg istr-hndhde-eiraheg lelsev of O2C nhew( aogrns nad teh mueimn eysmst hvea geon into reerivodv ot sdpnoer ot a athtre ro to srasdde dtieocapoemnns ni omes hrote rtap fo het s)yemt;s hte unmtleigmp fo daCcira utpOut lreahsd eht iineggnbn of eth nd.e It niiefgsis ttha eth eersstss gbnei osmiped no het ydbo xeedce eth ciseplabtiai of the .seymts +



 +0  upvote downvote
submitted by calvin_and_hobbes(2)
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yhW is het T oramnl ni shit nte?tapi I uldwo ehav idedecrpt rguylndein fecnnioit — ie, eerfv — ofreeb vene ey"l"ar csietp c.hoks I eedscelt etscpi skhoc erpylu for eth irlneatcbta lwo RSV eeistpd lsfudi btu nwta ot dseudnarnt remo uotba eht sacebne of feve.r.. hnkaTs!

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drdoom  elElrdy (dna isdormpome,umcionm ylena)lgre od tno utmno otrusb ferev enrsospes ot rbceaait and trohe riscr;nosgmmoai ni le,ryled hist yorlpbba sah ot od hiwt cdi“n”slee fo teh aentin meuimn sytmes yu(ro ,cmasphareog cndiitder clles, yn,otmseoc p,c.;&am jsut 'dnto nnfotuci as wlel sa ythe ueds )t.o In oehrt o,srdw fi uyo (1) wdipe uot oms'eeons eunmmi smyste dan thne 2)( netciedj citeabar iotn terhi ,rlstebodmao uyo dlwtonu' soebrev nay rfvee ir.eeht eTh erspeecn fo a ”patlyi“c a)r(omln evref in na yerdlel ro muicnmdoersmompoi eaitntp cna eb a rsuep nnroicgcen i:nsg yhet imtgh evha a rgiagn inictnfoe on the idns.ie +
drdoom  romf^ eth ratilc:e eAsn“tb or tlubdne fveer rpseones in the .eyrdlle reThe si eampl dveciene taht a uldebnt vrefe sneseopr ot a euroiss caeartli,b lrvi,a or gfluan tneiofnci tssesugg a orproe noroispgs athn does a utbsro fveer rnepssoe [31.] In d,atodiin reteh si a slntbsuaita oydb of ,tada yosmlt orfm amnlia ,olsmed ahtt f—erguvhrhoet its ffsetce no immenu uamyictonf—n be an tmnirtpoa soth dfenees msmnehcia .1]4[ ygohuRl 03%2%0– of yllreed ronpses itwh euoisrs earbtlaci or rliva isfitocenn illw setnpre with a ntdbleu or terleniy tanebs rfeev ornepsse 1]”,53[2., +



 -2  upvote downvote
submitted by spaceboy98(22)
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ehT ayw i loko at stih si eth tmp.teueaerr

A hpmtciohyre entaitp iwll lomsat lwysaa ertpens thwi septci hkocs ucesbae scetip ocshk cna tsernpe as tboh apymeerrithh or iahehmtrpoy

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athenathefirst  tsenDo' unods acrce.tau Tihs tntaipe ahd a amorln aertp.merute +



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