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Retired NBME 21 Answers

nbme21/Block 2/Question#5 (reveal difficulty score)
A 2-week-old male newborn has a patent ductus ...
Higher than normal left ventricular cardiac output 🔍 / 📺 / 🌳 / 📖
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 +9  upvote downvote
submitted by d_holles(218)
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'eresH na eexctleln aemgi morf AOSMSB if elopep rae iavhgn dffiyitlcu vzsiuiinlga h:its /tQpomt/ih/m.Rgrh:uam/scmWV

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lovebug  yevr eh!upfll nsh!tka +



 +6  upvote downvote
submitted by jotajota94(14)
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PAD wsfol mfro raoat to amrnupyol teryar naceegrdis rohfreaodelaeeT f.tr adcriac putout snarescie

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seagull  steodn -lapoder olas eedscrea whchi uoldw prod hte O.?C. +
hungrybox  ae@lulsg I khint it lwudo csreniea lpderao bc/ ermo lbood si ggoin toni the pmnauoyrl ertaiesr >- gluns >- ulrmnoayp inves -> telnvuayle eomr obldo in tlef mirlutcrnt/vieea >- icn pdaoerl +63



 +6  upvote downvote
submitted by heavy_neighborhood(6)
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DPA lfwos ofrm eth oarAt gt=;=& Pulyramon ri,areset yb pngisas eht RV so heter si no caenhg in 2O ni teh V.R

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felxordigitorum  heT ael""st ofrm eth raato drignu taldeois sireerqu rseendica racicda uuottp to sampcteeon. Elexermyt eumtrprae isnnfta evah iitlmde iiylbat ot crneieas esrtok vmoule dna thus sue rscieedan thera rtae to nrciaese dcciaar u.uttpo :mwbl/is.gKt/w7o5pBwNb.no.t8ion43.knv/h/c/h0s +2



 +2  upvote downvote
submitted by didelphus(70)
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A APD stisllenaye etesrca a owhhli-gf etarh ufalire iaotsintu ni het ybba. iencS a tiarconf of het LV uuptot si durrteen utwhtio gercaihn het ,ybod ni drore to nmatiina a oramln OC ot het dybo teh tefl vcneiretl sumt pmpu a rehigh .uvmelo iTsh douwl losa saeuc grhhei ntha onlram nuyplarmo lirylapac wf.lo

I thkin semo fo eth ohert qseouitn rea gitngte ta eth deai ahtt ew odt'n konw hte iedncirto fo olfw for erus. If eth lfow saw &nguls,gat;to--ra eth esycsmit O2P uwodl eb alromn nda RV P2O hhg.i But if ti's ipops,eot eth iptspooe uowdl be u.ert

ceinS sADP aer naiadmenit yb PE2G, taht luowd cotriubnet ot a owl hpreielrpa slucvraa .sntrecaesi

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didelphus  aho*rten suer ndeot hatt sith ld'wuont iptacm RV yegnox bcuseea teh obdlo is eaddd to the oyapnrlum rrae,yt chhwi sha xdetei the RV. +3



 +0  upvote downvote
submitted by moneysacs(3)
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hyW is deso a PAD ratef bithr rutels ni irh"ehg hnat olrmna letf uteivrrnacl cidaacr t"puotu evor edrcianse g"htir vulareitrcn ?2"PO oeDs eth pmul yeatrr t;g-&- aarot hntus bcmoee sedrerev areft ,rhitb so griehh yonegx otaar odbol ouwdl flow acbk tino teh rthgi eiltcrnve? I egt ahtt mreo olbod oulwd be mdeppu to het left enc,evlitr gtsuinler ni HHRV/LV, btu n'tdo esuatnndrd het 2O .ibt

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usmleuser007  )1 ghireh naht rlnamo CO c/b dlobo is nhestud fmor oarta ot ypuolnamr ieat.errs hsTi loobd is addde ot the muvelo tath swa pumped tino hte nymulapro eiearsrt by teh .RV Now nhew the dnegeyaxot ooldb tnrseru to teh AL & V,L eth O2 tnnoect ldwuo be trargee /td hihrge obodl oelvm.u lsAo for that smae oasern emro dolob is etrunirng ot teh LV (t/d LV vemluo ulsp rfinacot of VR muvoe)l. Tish cnasdeier hte .- -thR >OCgi Lfet sunhst eahv leat conyisas /bc eht VR si hnsupgi atngsia hte scexse reersups gadrnteee yb hte L.V isTh ladse ot meiersEgnen denyormS as VR regnelas and essuph gtasain teh epsesurr omfr the VL in hte .APD Thsu tngihfsi eftL to irtgh to grith ot eLtf adn tshu hte leat aiscyosn +2
temmy  eTh aytmnao is maraonury-oaplt enayatourr-plmyr tv-sefeiln ra-ftilutme lveiieetco Nncrt tath hte oolbd ddi nto ceom ocarss eht ghtir raeht at all dna ceebaus fo teh TELF OT GHTRI hutns fo the ,PDA we dad rmoe vomule ot the TEFL edis. ceHen eth ercndaise left icvlernutra ouutpt +2



 +0  upvote downvote
submitted by masonkingcobra(408)
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kniL

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necrotizingfasciitis  noGig ffo of eht ocmnesmt leppeo vhea spedot oveba & akidn ibiggnrn sgtnhi eg DA:thePt or lsofw form arato to pymurlona streerai, hhcwi servseer etarf rth.bi hsTi senma edx-yagdtoene odlob flow mofr eth olypamunr reseatir ot eth oarta & esls vemluo iengb etns ot eth LF iesd of hte tr.aeh si Th lrsuets ni a sedradece lfateorad bauesce ereth si less oobdl lwongfi rfmo eht nsgul ot lre-ifl eth FL vnelri,etc & hte hatre si litls piumgpn hwti the asme fecro as eb,oerf so het seam vmueol of odlob is ,lvaeing ubt slse in gteniner hte FL sied of eth m e rotFha. r eerh, uyo esu OC = VS x RH SV = redaolp - dtforaeal whic(h is dseaecedr deu to teh s ThP iA) D lsretsu in VS egbni gerrla htna o,lrmna so hnew oyu upgl atth niot CO = SV x RH you gte a rghihe reunbm rfo accdari opu.tut +
didelphus  eTh cutdus itorssruea fsolw from PA ->- rtoaa in ueotr ot abyssp eht ,ulgsn wihhc ehva exemretyl ihgh rinteecssa to w.ofl shTi vseerers tfare bhitr due to a opdr in GP2E hhicw( was seupidlp by eth nlac)epat and ernaseic ni lsti-ddeef siesmcyt c.naieserst So a ADP pylltyiac fswol aoart ->- AP im(naugss reeht are on hetor e.cd)esft +



 +0  upvote downvote
submitted by jandj19(0)
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ihsT si a eyvr olco cctnope pxdanelei ni teh daRip vieweR ohtoygpal ookb, epga .752

diLfsde-et ot rgi-iesdthd etrah thusns telssru in vomlue aldrovoe in eth grtih eisd of het ret,ah iwchh ncsaieers VL ovmule pa)dlro(e due ot rome boold neugirnrt rfmo eht gtirh retha ot eht tlef aetrh. nA sicrenea ni VL elproad si lauqe meor adriacc tuupto nda orme rokw rfo eth .trhae taeLr ni flie ttah lwli lade ot an cneciecrt etyp of HLV whti eacerdes darccai uptto,u oaumnylrp esrheinntopy and a nirneocctc HVR ued to ghih faoeldrta ttha eht itgrh rehat sha ot pmpu a.nigats

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 -1  upvote downvote
submitted by djinn(6)
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wLo elaartdof &tg; ghhi CO

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 -2  upvote downvote
submitted by hello(429)
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sihT si hte caaltu rcteroc pielaonan:xt

ADP eucssa olodb to olfw rfom dcndneiegs taaro to tpaetn tucusd srrtiouaes into molaypnru uaccnitroil tfolet(g)t"i-hr"-

eTh ta"se"l fmro eth taroa ruding detaoils reserqui nsreidaec rcdacia uptuot to oatcnpemes ot ievlerd duqateea tonuma of odbol ot estr of bdyo

cSeruo: 0s:/lmwiwotchko3.4n..t7/n/5pb/sivho8K./NgBwnb

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fkstpashls  s'tI L to R +2



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