NBME 21 Mixed venous oxygen tension (NBME Answers)

Retired NBME 21 Answers

nbme21/Block 1/Question#28 (reveal difficulty score)
A 47-year-old man is brought to the emergency ...
Mixed venous oxygen tension 🔍 / 📺 / 🌳 / 📖
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+19 upvote downvote
submitted by ∗nicnac20(21)

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dxieM suenov xeyong niotens si teh numaot fo noxgye dubno ot ogmnbieohl sa ti rsrnetu to hte trhgi esid fo hte erhat trafe netgrliva ot eth eusts.si

sreaDdcee xneoyg dlyreevi ot the ustesis ued ot dereaecsd irdacca tuptou lsaed to teh iusesst rgtxceaitn orem nogyex mrof eht pgaisns CRBs ntah yeht aynrollm ,lwudo ichwh reesacesd het oelalrv edxmi osuevn xgenyo .netinos

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pparalpha A lfehlup aouentqi si aCOre=t fo O2 romir(tlsnaotepcnia/u 2O ntcosuteeonn-v O2 ton)cn:te Fikc pencirilp If CO si rsedeecd,a enht teh fecdnifere bwteeen iraatrle 2O ncoetnt dna snoveu O2 nntteco is iednecras +19

misterdoctor69 oT yliarfc a ttleil ,itb the tssuies tol'uwnd snscrileeay teatrcx REMO yeognx orfm het npsgsia sRBC tahn ehty lorlamyn ldow.u yThe owuld cattxre hte seam amutno sa etyh lmyalron lwodu ot ycarr uot ireth now o.nsifncut wevHreo, baesuec het atitgnrs aomutn of 2O drevleide ot sstsuei is rolwe, y'oud dne up with sels O2 dobun ot blghionoem nrrungtie ot eth rithg areht. +5

doso2222 arHet eriflau gt;-&- eacresdde caidarc tutupo -g&-;t owelrs loobd ritocauilnc tiem o(dlob is ermo tansagtn) g&-;-t ltnartesa ot acendersi ogyxne cnotxiraet yb ssiuste nad ertohrfee eowlsr ngexyo oitnnes yb eth eimt it rternsu ot het ightr ha.rte +

+2 upvote downvote
submitted by ∗kentuckyfan(47)

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I teg hyw eht eimdx snveuo neygxo tnienos ea,Hd.,e rrwdsoeveec 'itns eht essycmti csalvuar satrcinsee sloa ace?rdesde

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yb_26 on, acreeedsd OC =t;g& phrireapel nctrtviionsooasc ;>= RSV lilw eb eercadnsi +8

yssya1992 No VSR ilwl ircseaen edu ot RASA adn SNA hsatt why ew asecedre alfoatedr ni HF tmntetera ( AE,CI sARB ) +6

snafull td'lWnuo ouampnrly vrauacsl ecseansitr saol eb dcsereaed ereh ued to panrylumo lndaaioisvto ni eht tsntieg fo na ?MI +

cienfuegos fal:nlsu@ my tiliani ohhutgt si ttah we udowl ees moynlrpau osnrtatiivcncoos easbecu of the lrvyealite low egyoxn tesnnio a(htt ssetrlu rfom hte owl caircad u)ttoup. +3

+1 upvote downvote
submitted by paloma(10)

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Wtah btoua alnrompuy acrusalv i?setacnres It lwosfol eht ticemyss vucsaral ?niaestcrse

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cooldudeboy1 ccelksar are hdare lbyteaalilr os hetre is lupm hpota iwhch edlsa ot crnidaese umlp claavrus eisnc,rtsae nscie stesycim oolbd fwlos oitn eht .unlsg ayn ckobl in het wolf adhae g(lusn) lliw esnecair rciensstea in lwof bdeihn ( ctseisym ) +4

mrglass hTsi taiepnt si xpohyic eneidsrac ofiufinsd st.ncaide siTh useacs nloryupam o.otrnaiitccsonsv aildnrryOi ihst spsoenre si dgnieesd to shtun lobdo ot apstr fo teh gusnl ttah rae lelw v,tnleetaid ubt hte repnoess is vampliataed in algbol ophixya +4

happyhib_ I todn ileebve aeeecddrs oenusv xgyone ntsnoei wdoul dael ot apuyrolmn ocinvstonctiaosr ih(ts is itlclyayp ni hte gstntie fo olw OP2A uoy ese hits; gtnuhsin doblo away orfm polroy neoaxdyget )l.eliaov oYu nca etg ot ieaecdrsn rupnlyaom rualcsva eencstrais ued ot mlup edeam mfro fetL tareh fiialgn aingdle ot dfilu doerlvao ni lmpu reslt.aca)uuv +

-5 upvote downvote
submitted by ∗hayayah(1212)

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dexiM usoevn engyox asoiaruttn )(O2vS is emusaerd ni the puroylamn yrerat. 2vSO spamels the etru xmedi senvou olobd alevgin the gihrt .atrhe uetenrmeasM of meixd nvoseu noyexg utrntsaaio 2v)(OS rfom het maylnourp ryreat hsa bnee oatdcadve as na eintcdir xndie fo itsues nnyaetogxi.o

nI doregnaccii hcsko uoy vhea areeedscd CO &;-g-t ddesreace 2O yeldreiv &--tg; eseddacer S2O.v

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