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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 ๐Ÿ” / ๐Ÿ“บ / ๐ŸŒณ / ๐Ÿ“–
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 +19  upvote downvote
submitted by โˆ—nicnac20(21)
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Mdxei sounve xgeyon enniost si het ntmuoa fo oynxge bdnou to oegmoinblh as ti ursrtne to hte hgitr dise fo eth atrhe refat vlagetrin to eth t.seuiss

dDaseerce nyeoxg reldveyi ot het isssute ude ot ercdeesad rdiacca uuttop lsead ot the ssteius rattxnecig oerm eygonx mfor eht agnpsis RCBs hant eyth lomrnayl ,lowud ichhw dcresesae hte loraevl idexm vsoneu oyxeng nitoes.n

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pparalpha  A lhpfleu uaqtneio si erCOta= of O2 l/tusnaceipmtrona(roi O2 ntv-eonstounce O2 nec)tt:on kiFc eicpirpnl fI OC si scaedre,ed enht hte nredifcfee twbeeen ilrareat O2 ceontnt nad evonus 2O tntneco si rcseiaedn +19
misterdoctor69  To cirlfay a tleilt bt,i hte ussiest odl'wnut rsyilescaen rtetxac MREO gxenoy orfm het ngipssa BsCR nhta heyt llnaomyr l.ouwd eThy udwlo xecrtta eth esma uamnto as teyh manolrly wulod to aryrc out irthe own .unfnicots eroHv,ew csbeaeu het taitrgsn noamut of 2O vdleidere ot ustisse is ,lewor youd' end pu ithw essl 2O boudn to obngiehoml rgintenur ot eht thgir hetr.a +5
doso2222  etaHr frlueai &-tg-; edardecse rdacaci tuotpu t&-;g- wrseol bdloo taiuoclricn meti bo(dol is meor gt)taanns -g;&t- lnatstear ot adniceres exygon atetoirnxc by sueisst dan reroehtef wrselo nxgyoe snntoie by teh temi ti srnurte to eht higtr hter.a +



 +2  upvote downvote
submitted by โˆ—kentuckyfan(47)
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I tge wyh the dimex vnsoue oegyxn setionn cdeHae.desre ,e,wvor 'sint hte ytmsecsi srvaluac naieretcss olsa ?ereascdde

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yb_26  n,o eedadcesr CO =;&tg ahepripler oritannotovccsis &=g;t RVS will be edceirnas +8
yssya1992  oN RVS ilwl aineserc deu to SARA nad ANS ahstt yhw ew reecsaed aodrealft ni HF mrteetant ( ICE,A RBAs ) +6
snafull  o'lntuWd umaopnyrl lacsravu aeestinrcs loas be easrceedd eher edu ot lnyomrupa itodviloansa ni hte tigetsn fo an I?M +
cienfuegos  ul:@anlfs ym alnitii uttohgh is htat we uwldo ees yapulonrm sntncscoriviaoot aebcues fo the lavtyelire lwo enyoxg eonsint (atht ruseslt mrfo the lwo riadcac upt.o)tu +3



 +1  upvote downvote
submitted by paloma(10)
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thaW uotba ormypulan avcrslua itceeanr?ss It llofows eth csmetsyi casalrvu rsate?ciesn

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cooldudeboy1  aceklscr aer ahedr llbelartiya os eerth is lpmu paoht ihchw lased to aeedrcnsi pmlu ralsuvca srti,ecnsea iesnc teyscmsi blood soflw tnio eth .ngsul yna ockbl in het lwfo heaad slug(n) ilwl earcisne estiacnres in olwf nbdeih ( sycesmti ) +4
mrglass  sThi tapetin si xyhpico raecedsni fdiofnuis ecda.ntsi ihTs ceuass nlraompyu aivtonot.cincrsso yainilOrrd isht esresnop si ngeiesdd ot ntuhs dbool ot arstp of the unsgl tath era lelw ,navledetti tbu the erpnesso is lmdatvpaeai in glalob ypxhioa +4
happyhib_  I otnd lbveiee edrecsdea nosuve ygnxeo toiensn udlow aedl to npomuyalr itsonrtoccivosan i(ths is ptyaicyll in eth tsgntie of wlo AOP2 yuo see ;this niusnhtg boldo yawa mfro rlpoyo aeyontdxge aovelil.) uoY acn egt ot eacseirdn omaynlurp raucsval nresiasect eud ot umpl mdeea rfom eLft retha liginaf gindlae ot dlfui ovoedrla ni lpum aslrtaue)v.uc +



 -5  upvote downvote
submitted by โˆ—hayayah(1212)
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xMdei vounse gnyxeo atoaritnsu OS2v)( si derueams ni the oynulapmr .rartey 2OSv measlsp hte etur exdmi uoesnv lodbo geinlva eth igthr atehr. setManremue fo dmexi sveuon nexyog sutaiortna 2O()vS ormf het aornumylp rrtyae ahs eneb docadtave sa an rtdiicne ixden fo isetsu itngono.aexy

In dngccieroai ksoch oyu heva edesedacr CO &t--;g eecedrsad 2O dvieelyr t;g&-- csdeaedre 2OvS.

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