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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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VA salusFti ue-orrt bolod omfr hte tiarrela smteys to het ovesnu tsemsy, psyngsai-b eth iserArleot = erseaIcn LP -tg--;& ESICNERA VR. All in lal = rIenasce .OC

rcgoAndic to rlo,dUW the soariteelr aer a rmoja uceosr fo renetscias ... os yapssnbig the oalterseir sluters ni a easecedr in Talot erhriPlape sicteeRsna ... ncgauis an icraseen in het taer dan uvelmo of odobl nirtrgneu to hte at.erh I ma rpyett user erhet is rome to eth gipyohyslo nihbed ihts, btu I peoh shti dnleipaxe a ell.tti

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big92  l"Iamdyeiemt gnlwfooil enirtac,o sturneaorvieo aitfuls FV)A( is aoaiscdets thiw na sneacire in crdacia otuupt ,C)(O idcaeveh ymnrdanitlpeo huothrg a citunroed ni stemiycs urascval ase,ricents eranedics aoimyrdalc nctroi,tylaitc dan na eecrnsia ni kreost mvleou )S(V dan retah trea. Orve the logfliwon ew,ke cgiraucintl boold evumlo neescaisr in nontjocnuic whti reensasic ni atlria nad arbni rincetuatir pestped.i seehT asaierlontt rea sdtosiaeca tiwh ayler eersnaisc in lfet eiuarrtcnlv V)L( nlgliif suesrper ithw het tpnletaio rof tntrsluea aipcmt no raltia nda auctnrrivle embrhac isoimnnesd adn fnuc.tio"n M(I:DP 5Ts2 )5r ' 5eh25e48 alos anroeth tusdy yb Estenip orfm teh 0915s goilonk ta eth tesffec of AVsF' fcetfe on CO in emn :I(MDP 8.23107)15 ,eaAylpprtn eth crnaseie in ritsgen CO is a bgi eplmobr eubesca it cna dale ot tihtouhugp- ccrdaai aeulrfi LV).H( +32
hungrybox  usesJ 2b9ig yuo netw in on the rcheeras mloa u stmu be TPMS +6
temmy  gb29i uyo ear .irght ahtt is hwy gpates disaese pagtes heva high tuuopt iardcac iealruf eacsube of het va .suhnts +5
kevin  htwa si icern"esa P"L +6
jhan17  ncdrcigoA ot "nWihkwie an etaosreoinrvu utsilfa si fdomre giilnvvon a rmoja atrery ilke eht labnmioad atra,o ti can lade to a gealr reedacse in aeirrephlp isesracnte esacueb it yb ssap atoereril (hewer jomar BP si doref)m . hisT eoewrdl peperhrila sierntacse escasu teh hetar ot ercianes igsnrte caidcar tpotuu ot tiimnana rppeor odobl lwof to all e"is.stus +



 +6  upvote downvote
submitted by ∗azibird(279)
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I n'dot eefl elik ayn fo eseht emncsomt avhe uflyl ddsaseerd why het tatpein rynrueclt has eacsnierd irntegs OC dna TON dsdecraee VS. reHe si woh a rfiedn of nmie apdnleiex :it

MAP at( estginr )RH = 2/3 PBD + 1/3 BPS = 77 mmHg ni hits ienttp,a hicwh is welro tnah nmaorl 3(9 mmHg if yuo sue 10/08)2. oS PMA si cdeedesra and het kteheodisnyr/ grsnao tnr'ea gingett the nfeirpuos yteh e,edn dlegain to SARA oataniticv dan Sm.deBaOe/ PMA = OC × PTR, os shit doucl be edu ot olw OC itaevrle to PRT (ahtw ew uslayul ctpe)xe ro wlo PRT livteera to .CO ihTs itatsp'ne glear AV asifltu sah erpddop erh TPR vyre l,wo hhwic nmaes ehr OC stmu vaeh bnee ryve ighh rof eth tpsa 51 reyas ot smeopnecat i(ghh uttpou aerht iuflar.e ehS sah ynlo 5 adys fo ,opystmms ihwhc nsmea hes is laery no in her H.F iceSn she dha such a ihhg CO ot nebig ,ihtw hre prdo in SV shit yarle on wloud tilsl leeav eher itwh na EERICNSAD VS pdaercmo to a nolmra t.naipte lsUens erh pesul is puser hig,h erh rtaeh usmt eb uppigmn a svisaem rokset oleuvm ot nmatniai a mlaonr ocsylsti odolb uprseers ihwt hucs a low PRT AMP( = VS x HR x TR)P. lvl,entayuE hre VS yma dceeresa to eb beowl nmrlao, ubt tno so yelar .on

oFr tsset oe:pmnlceoN deesacder atlareri O2 tas useceba dolob si fnoiwlg rofm rtraye to niv,e not the etohr way unaor.otN d eadreescd dmeix nueovs 2O ast saeuceb irraleta olodb is gndooifl the luasvcbian vnei tihgr feober ximed O2 sat ldwuo be .oeNardsut em enirceads RSV cuesbae of het rgela AV .tfliasu

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 +2  upvote downvote
submitted by ∗the260guy(18)
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tBu 'seehr my eplbrom wtih this oiqse:unt it ssya ttah hes ahs a 5 yda triohys fo BOS nad lsnewlo g.esl So oysovubil eht ahetr si .ainilgf I pkdiec cseaeeDrd kreSot uVlmoe orf htat .ersano

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nwinkelmann  AV lifuasts rea eno sueac of oup-gtthuhi cacdria irf.laeu hTis rspeon sprsteen iwth atehr ifauler, tbu it si ude ot noahlcliryc eecrasndi negtsir .CO +2
lukin4answer  iamelw@nnnkn esy hstat igt,rh eh sah afiling .etrha tbu oitueqsn si isnkga ahtw is het ginndif of siht apteti,n I esduardntn hte seuac si aFiuslt naigscu ihgh pttouu f,reilua btu eyth ddin't ksa the rnosae of sih FH, ehty ear ainksg eht nigi.nfd I csohoe secderea trekoS VumOle /: +
happyhib_  shTi asw ym ocgil nad gto ot seaecredd eksort evloum as el;wl thye nrate gknais ahtw acsdue hsi FH or aniyhtgn ti ayss twah is teh somt ellyik fiinndg ni itsh e.pttain fI shi thaer si ganilfi ude ot HVL omfr isctsonnte danesreci CO nwtduol he AT ITHS RVEY OMETNM ITHW hsi htera niflgia vhae rcdeedesa ksteor m.e.lvuo? +



 +2  upvote downvote
submitted by ∗usmleuser007(464)
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CO si isaedrenc htiw 1) adsereecd )ata r2ofedl dcaneeirs are3ld)op enIedacrs iyanrtolttcic

An seieovanturo afiltsu rceeats na vereiltnaat eurot rof litaar oblod iton het enuovs coltnaucrii /ow gongi tpas teh eslatoierr eth( arjom saeuc fo rTsu.an,ss)e hteic by oindg so eht PTR o(faatrl)de deceaerss adn eth OC is ei.raedsnc

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 +1  upvote downvote
submitted by ∗uslme123(86)
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V'FAs = ndaerscie ccadira optt. BTuUu thsi s'nit enw orf tshi npseo?r I iwev tihs as a etahr htat has nlafyli egnbu ot ailf -- rdesdceae cfetveeif uairccltoyr umolev -g;t-& isdceraen V.SR

tBu i sgesu yuo 'cnat eahv B eeforb A -- hweartev -\-

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happyhib_  ihs pb wsa siemnthog elik 315;/00 twih stocdilia aunrod 05 I ugdirfe eh onldtuc hvae ncedesiar VRS abuesec his aioticdsl wloud be e?grihh +2
trazobone  I dah shit seam nrosnegai I lmeyctpelo esgdosl vero eht BP ♀🏻‍🤦️ +



 +1  upvote downvote
submitted by nuts4med(8)
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Aynone ehva na eadi hwy the reecesdad atielrra 2O otnuitsara si ?crtcroine Amnsusig esh sha lump aemed csnie esh sha EL mad,ee wt'nulod a elorw 2O sat be xpeetecd to?o

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haliburton  I ilbevee rhtee dwlou eb no eardesec in 2O soutanatri cueaesb egyntdxeao lobod igh(h rr)pseues is hudesnt toin eeenxtgddoya ciruitc. As gnol sa eht gluns acn epek ,up shti uhlsod raeiesnc nvuseo noyxtegaino no aar.geev +7
hungrybox  ty btho fo you rfo it,sh saw gwdoniren eht mesa ihntg +
coxsack  O2 tas ’wnto aceghn bc/ ’ryuoe tno addngi xnaeoygeddte ldboo to teh rraialet ids.e e’Yoru just ktgnia ilarraet ldboo and iuptntg it tnio osevun .lodob Smae rseano hyw -L>R ciaadcr utshsn ’dnto caedseer 2O sat wlei(h in ar,tnotcs a R-L> sntuh ld.uw)o +5
hungrybox  just lezar:ied eht hihg eprsruse of eht litrraae mtssey kesep out sruploerwes- esuvon olbod ni an AV ftsiula opyalb(br iuovsob ot sotm plp but ti was a karuee tmmeno ofr em l)lo +2
chandlerbas  ya uoy nwto ahev seercadde trraaeil 2O tsa aeeuscb nnioxaeytog fo doblo is fespoiunr mtleiid 9AF(1 )46-5- reotheefr anixoygneot of hte obold sapnhpe iwihtn the irfts css.edo3n of nterngei the oualpmrny ypaliaclr that uyo dlcou evne lenhad ngavhi orme egoteeyddxna obodl nrtee +



 +0  upvote downvote
submitted by ∗step1soon(51)
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Htrae alrife:u hTsi si het omst isroeus aiccnioomltp of lraeg otanrerioesvu aufls.sti nceiS uroy bldoo lofws eorm lciqkuy hgotrhu na ertsuorvaineo satfuli nhat it olwud fi your doolb efwodl ohtrugh a arnolm osurec fo ritera,es aslrilcipea nad v,inse uoyr taher sppmu drehar to moetaencsp orf teh ropd ni odolb sepresur (laedcl ogiu-uhtthp ehrat e.)afluir revO t,mei eht aiendecsr estnntyii of oryu reha'st nugipmp anc aekwen ryou eathr s,mleuc dlanegi to rahet rfia.elu

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