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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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e'erHs na eltexnlec mieag mrfo AMBOSS fi epople ear hnvaig dfiyfilctu nilivsaugzi :shit mhtmWmQt:Rs/hgpai/crm/.uo/V

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lovebug  yrve pefh!llu tsnhka! +



 +6  upvote downvote
submitted by jotajota94(14)
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DAP lfsow rmfo roata ot mlprnuyoa yrreta ignedrecsa reedahorlroffetTa.e iaaccrd pttouu essaricen

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seagull  oenstd d-epalro salo rcesedea hcwih odulw prod the .OC.? +
hungrybox  guslale@ I htikn ti udwol enrsieac aepdrlo /cb omer loobd is gnigo iton the nrmauoypl rsarteei >- gnlsu >- lmaroypnu viens -> enulteavly rmoe oobdl in eltf cti/aeuvletrmnri -> nic poaldre +63



 +6  upvote downvote
submitted by heavy_neighborhood(6)
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DAP fwsol mofr het aotAr =t=;&g ulnPromya ire,etars by painssg hte VR os reeht is on gneach in O2 ni hte .VR

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felxordigitorum  hTe "e"ltas omrf eht artao inugdr dtoisela ueqesirr eadnescri rcacdia uttuop ot poetcane.ms rmetxeEyl eprmearut tnnafis veha tdeliim laytbii ot senireca rtosek volmeu nda stuh ues nsrceaedi ehrta tear to recsnaie acacird ut.utop :Niwp8B3./nm.i/Knw/g/o/w4.hnos75totvkbsch.0lb +2



 +2  upvote downvote
submitted by didelphus(70)
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A ADP lsealysietn seatecr a hlwoi-fgh herat rfeuila anttiuois ni hte .ybba iSenc a ricoftna fo teh VL ttupuo si tnrrduee uhwiott hraneicg hte ydob, ni rdroe ot niatniam a lmrnao OC to hte dybo hte fetl vtecnerli tmsu mpup a ehihgr oeul.vm Tsih uodwl laso eusca gihehr tnha amornl mnylrpaou pyllcaira f.owl

I tihnk osme of het terho iqtounse are ggettni ta het deai ttah we nodt' wonk eth riitdenoc fo lwof rof rseu. If the lfow wsa ,lg&tnoa-s;tuarg- eht cstiymes O2P dowlu be lornma nad VR PO2 hg.hi uBt fi i'ts ipeo,pots eht toppoeis wodlu be .ture

Sienc PsDA aer inimanated by GE,P2 ttha wlodu cietunrbto ot a low rriheelapp aalvcusr ceranests.i

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didelphus  neroh*at suer deton hatt itsh wnultdo' timpca RV egnoxy ucaeebs eth dlobo si eddda to eht umrayonlp rter,ay cihhw sah dextie teh V.R +3



 +0  upvote downvote
submitted by moneysacs(3)
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Why si odes a APD treaf htbir urlste in "hrgieh ntah amlron lfte iuencarlrtv aaccrid tt"uuop rveo anrcedeis "hgirt aietrnculvr P2"O? Does eht mpul etrary &g-t-; aarto suhnt cboeem erserdve tfear ,itrbh so hieghr nyegox traoa oolbd lwoud fowl back tino the hrtig t?rleincev I etg atth roem olobd dwulo eb pumpde to eht ftle ertienl,vc ginrueslt ni VHR/H,LV ubt odn't nastnredud eth O2 ib.t

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usmleuser007  1) rgiehh tanh mnlora CO bc/ boold is enuthsd ofmr aorta to ymnlapour riae.ters Tsih dloob is eddad to het eumovl atth swa udpmpe toin teh lnupmyaor iersraet by eth V.R Nwo newh the ngtaoedexy bldoo tuserrn to hte LA & L,V eth 2O enottnc odluw be ergrtea d/t irhehg dolbo ue.lvom losA rof htat esma arseno emro dolbo si erurnting ot the VL t/(d VL ulvmoe slpu aictrfno fo VR emvo).lu hiTs rsnieecad eht th. C g->RO-i etLf tsuhns ehva tlae iscoysna /bc the VR si nupgshi naasgit eth sexces usserper egderntae by the LV. hsTi lased to igrmeEnsnee yrodeSmn as VR lseeganr dan esupsh ngisaat hte urespers mrfo het VL in eth .PDA Tsuh siginthf ftLe ot rhitg to tigrh ot etfL adn usth hte atle iosycasn +2
temmy  heT yotanma si rp-rnoalmayauot t-rnmoryeluaryap ifte-velsn ufttailm-er ereovtNi tliecnc hatt the boodl ddi otn eomc crsaso eth rtihg atehr at all nda eesucab of teh TFEL OT GIRHT hnuts fo het D,PA ew dda mero movuel to eht EFLT dsi.e Hnece the naedrecis left raucrvletin utotup +2



 +0  upvote downvote
submitted by masonkingcobra(408)
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kLni

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necrotizingfasciitis  giGno off of het cnetmmso pepole vhea pedsto baevo & ndkia igrbngni stginh th erg t DAP e:o owfls form aoatr ot rmuanlyop ,isreater whcih eresvsre eafrt hrb.it hisT nesma -onedtxeydgea dbool lofw rmfo the ulonymrpa tasrieer to het atrao & esls euovlm ibegn stne ot het LF ised fo the .eahrt sT hi rulsets ni a cesededra adoftreal abecseu htere is lsse olodb gwnoilf rfom hte usnlg ot -frilel eht LF te,ienlvcr & het ahtre is lislt uimnppg whit het easm oecfr sa efb,oer os eht asem emuovl fo boldo is ia,venlg tub less in nrenietg eth LF edsi fo teh ahrtme rF o . he,er uoy seu OC = VS x H RS V = edolapr - oadalreft hwich( is eedracdse edu ot teh hDi)T APs rseluts in SV being relrga hant na,mrol os ehwn yuo ugpl atht onit OC = SV x RH you etg a igehhr nmbeur for rcacdia topuut. +
didelphus  Teh suutdc ursroeatis oswlf orfm PA --> arota in troeu to ybassp het gns,ul wchih hvea lrmxtyeee ghhi siatsceren ot ol.wf ihTs seevresr ftare irhtb deu to a podr in 2EGP ih(hwc saw ppesldiu by eth )caltapne and rnscieae in lse-edfdit ictsmesy iescasen.tr So a DAP clyitaylp lowsf rtaao --> PA anmgsi(su erhte era on oehtr tscfde.e) +



 +0  upvote downvote
submitted by jandj19(0)
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hisT is a eryv lcoo nteocpc endilepax in eth dipRa evweRi ghloptyao ook,b pgea 25.7

edtsL-fdie to seitigdh-dr hrate snsuth tsuerls ni mleouv eovlador ni het hrtgi eids fo teh tare,h chihw ricessean VL ouelmv p()deorla eud to oerm dolbo einnrrtug rfom teh ghtri haret to het ftel ah.ret An eaicnser in VL edarolp si luaeq moer acricad tpuotu nad omre kowr fro eht h.tera artLe in eifl tath wlil dale ot an etenccicr etpy of HLV ihtw esdceaer cidcara p,tutou armyounpl riponysetneh dna a onicnctcre HRV ude ot gihh rleodftaa htta eth ihtrg trhea sah to pmpu na.agist

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 -1  upvote downvote
submitted by djinn(6)
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Lwo atofdlear gt;& gihh OC

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 -2  upvote downvote
submitted by hello(429)
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isTh is eth lcuata crcerto oann:taeilxp

PDA eucssa lbdoo ot owlf rmof sineddgnce otraa ot tantpe sduuct ausirtsero nito oaynulrpm lrccoiuinat i)thtrt-l-"f(eog"

heT "l"aets rofm het artoa digurn sieodatl srerqieu craeiends caircad utptuo to encpaemost ot dreevil eadaequt atmoun of oobld ot estr of bydo

rcuoS:e htw./i/cw5/ow4BKn3bbvsmh/o:o0sNn/igltpn..7.k8

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fkstpashls  I'ts L ot R +2



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