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Retired NBME 21 Answers

nbme21/Block 3/Question#35 (reveal difficulty score)
A 63-year-old woman comes to the physician ...
Increased resting cardiac output 🔍 / 📺 / 🌳 / 📖
tags:

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 +20  upvote downvote
submitted by ∗cellgamesgojan(43)
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AV ulassiFt ter-ruo odblo mfro het iaarretl symets ot the vnesou yt,sems sp-ynabisg teh riAreestol = rcIaeens PL &---;tg IEECARSN .VR lAl in all = neIreacs O.C

cigrcdAon ot ,dUlroW teh laetsroier aer a jraom uoescr fo tsesanirce ... so yagissbnp teh otrrailees rslsuet ni a rdceseae in oatlT Plrpiereha neseacRtsi ... ugnicsa an acerneis in eht trae adn lemvou of dbool ennrurtig to eht ra.het I am tyeprt sure tereh is omre to eth hgyoosyilp nihbed h,sti utb I pheo thsi deilpxane a eil.tlt

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big92  etdmil"yaemI floiowgln c,tianero vtnosareoreiu itlufsa A(F)V si otssdiecaa hwti an cnereasi in ciarcda putout C,(O) ievcdhea omainrnpytlde rhthogu a irctdoneu ni scmisyet araslvcu renasctsi,e ersaneicd dlaiaocrmy tal,ttcoyicirn dan an recasein ni tsekor vlueom V)(S nda htear eat.r vOre het olgflwion ewk,e rucilatncig lobod lmovue cesnaresi ni ioocuncnnjt thwi iscnarese in rlaita dan rbina rientcutiar dtsepepi. esThe nsrtlteoiaa rea saetcodsai htwi rleya ieaescnsr in lfte aicruvrnetl L)V( ifnllig ssprueer hitw het oiltantpe for ertsaunlt pmiact no aairtl dna tencvrirula braechm ismsodnine nda ".nounictf PMID:( 5) e54rTe82h 5 2'5s alos ronaeth yustd by stEinpe mrof het 091s5 nkliogo at teh stefecf fo AV'Fs eftfce on OC in mne M:I(DP 32)51.1087 natleyA,prp hte nrcsaeei ni stginre CO si a bgi eobplrm aeesucb ti nac dael ot pgutth-huio adcicar aeirful LV(H.) +32
hungrybox  sseuJ g9bi2 ouy ntwe in no the cehserar almo u stmu be SMTP +6
temmy  b9i2g uoy rae ghrit. that si ywh egspat edsieas aesgpt heav hhgi uotput cicadar ifearul becseau fo the va sus.thn +5
kevin  hwta is aeincer"s "PL +6
jhan17  rodAcicgn ot "Winek hiw an aeouneoivrrst laitufs si refdmo nlonigviv a maojr teayrr leik teh alnbiadom a,trao it nca aled to a aelrg eeaecrds ni ehlrepirpa eeantiscsr ceaesbu it yb sasp eitolaerr hwee(r armjo BP si remdof) . sTih werdleo peraeilrhp tcaeiesnsr ecassu eth athre to cesranei rsgtien rcacdai ptouut to nntamaii poerrp dlboo wfol ot all ue".istss +



 +6  upvote downvote
submitted by ∗azibird(279)
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I n'otd efel ekil yan fo tshee sommcnte heav fully sresaeddd hyw the tietpna yrrulenct sha dnsaerice tgisenr CO adn ONT desradeec SV. Here is who a defrin of eimn idelenxpa :it

APM (at ntresig RH) = 23/ DPB + 31/ SPB = 77 gmHm ni siht ietpnat, hcihw is eorlw tnha lmaorn 39( mmHg if uyo seu 0/)81.20 So PMA si sderdceea adn hte eo/rshkiedtyn nrasog entra' iteggnt het ienufopsr teyh d,nee dngelia ot AASR ittacovian adn e/BSe.admO PAM = CO × TPR, so thsi coudl eb ude ot low OC iatlevre to TPR thaw( we uusayll epte)xc or olw RTP elartevi ot .CO hTis as'tieptn eagrl AV ilstfua ash epodprd reh RPT yver lw,o wchih saenm ehr OC mtus heva eenb ryev hghi fro het past 15 rsaey ot stmeoecapn hig(h uoptut aehrt e.afulri heS ash lony 5 dysa of s,otsympm chiwh msaen esh is lyrea on ni hre F.H cnSie hse adh uhsc a ihgh CO to ignbe hit,w reh prod ni SV hits aelyr on ludwo lslti eaevl erhe htwi an IESNDARCE SV rmedoacp ot a mrolan apti.ten lnsseU her lspeu si uespr ghi,h her earth tums eb nmppuig a aisevms steork uomlev to iiaatnnm a malorn iosltycs dbloo errspesu htiw shuc a wlo RTP PM(A = VS x RH x R)T.P nuaeyl,vEtl her VS amy dscraeee ot be bleow amol,rn ubt tno so ealyr no.

orF em ep:Nlosteosnct eescadder arleiart O2 sta seuceab oldbo si giwnlof rmfo tryrae ot vi,ne ont eht otrhe yaw ao d.uNrnot rdsceeade demxi nuseov 2O sta saecbeu ealrriat olbod is ofdolngi the nauvilcbas nive thrgi eebfor xmedi O2 sta wuldo be oNm ueseatr.d eedncsari RVS uebscea fo hte relag VA t.alsiuf

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 +2  upvote downvote
submitted by ∗the260guy(18)
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tBu hrse'e ym omrpelb htiw hsti iueso:qnt it yass hatt hse sha a 5 yad tiohrsy of SOB adn oellswn lge.s oS sobiylvou het arteh si li.gaifn I iedkcp erdaceDse kteSor emulVo ofr ahtt os.rnea

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nwinkelmann  AV tsfliuas era eno ascue of ohpt-uhgtui acicard arlfe.ui sThi eonspr nsepstre htwi ahrte f,rueila btu it si ued to cnycahiroll incerades esrtgin CO. +2
lukin4answer  @kaweminnnnl esy thsat ih,tgr eh has igfalni .ahert but oneqiust si kigsan twha si hte ngiinfd of shit pt,teina I ndnsadtuer teh aescu is Ftlusai cgnaius hghi puutto lafi,eur ubt they d'itdn ska the roaens of sih F,H heyt aer ignask het dfinngi. I ohseco csrdeeea Streko elOmVu :/ +
happyhib_  hsiT saw ym logic nda got to cdeaderes etrsok lemvou as llw;e ethy aentr sinkag tahw duasec hsi FH ro tynghian ti assy what is het tmos lileyk nignifd in isht t.eiapnt If ihs arhte is laigfin due to HLV mrof scntetsoni cadeensri CO owlutdn he AT TSHI YVER TOENMM HTWI sih rateh lnigfai ehva ecreeasdd streko me.lov.u? +



 +2  upvote downvote
submitted by ∗usmleuser007(464)
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OC si ieercasnd htiw )1 seaeedcrd d)eaf2artol inreaceds )e rlao3dp reIdasenc tattycnicirlo

An oivseuaornte lsfatui ectsear an eavetinaltr otrue for rliaat lbood noti the ousnve nuicaitoclr o/w inogg sapt eht orstraeiel (het oramj esacu fo hr,.n)ssetec uaTis yb oidgn so hte PRT ea)drlfat(o esdreaecs nad het OC si isandee.cr

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 +1  upvote downvote
submitted by ∗uslme123(86)
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AVs'F = denesraci aadcrci . ToBtpUuut iths stni' new fro sthi epnr?so I view ihts as a raeth ahtt sha nlyafli bgnue to lifa -- daedrcese eieftefvc rtcyuiocrla levmou >-;- irdcansee VRS.

uBt i ssueg uyo tanc' ehva B eoberf A -- revehwat -\-

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happyhib_  ihs bp aws hmtgoeins klei 35;/010 thwi soctildia nroadu 05 I dfgeuri eh udlntoc aehv ceanridse VSR beeausc ish dtloicisa uwlod be rei?hhg +2
trazobone  I dah sthi eams esnrngoia I clyeptemol sgdlose erov teh BP 🏻♀️‍🤦 +



 +1  upvote downvote
submitted by nuts4med(8)
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oeynAn ahve na daei ywh hte adcdersee altierar O2 itatsnaoru si eccr?ntori muigsnAs seh sha mlup emeda csnie hse sha LE eae,dm 'lnuwtod a woler 2O ats eb petdceex ?too

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haliburton  I levbiee ereth uwldo eb no erdecesa ni 2O anitraotus esueabc geeoynadxt olbod (hghi ees)prrsu is shtduen tnoi xndotgayedee ic.rcuti sA long as teh ugnls nac epke up, hist sudlho icnsreae evuson oxoyneingat no av.ereag +7
hungrybox  yt tbho fo oyu fro sit,h swa eiwrgndno teh msae ntigh +
coxsack  2O ats tn’wo aechng bc/ e’uyro tno niagdd teoegynedxda obldo to eth ratareil .idse u’Yore usjt agitkn itlearra bdloo dna npitugt ti tion ousvne olbod. aSme snreoa hyw -RL> draccia suhnst o’tnd aeedscer 2O ast we(lih in nraots,ct a R-L> nutsh o.duw)l +5
hungrybox  ujst edlirea:z the ghhi surespre of the errlaita seystm kspee tuo s-rpelwreous vnoseu oobld in na VA istlafu bbly(arop bsoviuo ot mtso plp tbu ti was a ueekar mtmone fro em l)ol +2
chandlerbas  ay you tnwo hvea esrdaeecd artlriae O2 tas bsaueec niyongatoxe of obdol is opfuensir ietlmdi 9AF1( 4-5)-6 foreherte gaoonntyixe of eth ldobo sepnahp wthiin het tirsf cose.d3sn fo ninegter teh uynapolmr ariylalcp ttah oyu duclo vnee ndleah nhgavi emro edoadxngteye loobd teenr +



 +0  upvote downvote
submitted by ∗step1soon(51)
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treaH :ifauler ihTs si eht tsmo ourises aoconpctmiil of lrgea tusoeeavinorr tafliss.u cnieS ryou bdolo swolf moer qykciul thohgur an uernortiaeovs filtusa nhat it wlduo if oyur lobdo eflowd rghuhot a narmlo crusoe of ratis,ree csarleipail nda ,svnie yuro eahtr pmpsu rahrde to eesncmaotp rfo teh oprd in bdolo rrssuepe leadcl( ugthihto-up rtahe aulr)f.ie eOvr tei,m the sacerdeni tinentsyi fo rouy ate'hrs pigumpn can keenwa oruy hatre c,mseul agendil ot rtahe arel.uif

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