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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 🔍 / 📺 / 🌳 / 📖
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 +20  upvote downvote
submitted by ∗cellgamesgojan(43)
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AV uFtialss ut-rore dlobo romf het ileratra etymss to het oseuvn s,etysm bispyg-nas teh iesrlAoetr = cneesrIa PL -gt&-;- EINASRCE R.V lAl in lla = reeInasc C.O

Aodcnrcgi to WU,odlr the areltoesir rea a rjaom orscue of ensaicsret ... os isngypsab eht eserotrlia utssrle in a ercesdea in atTol lirprPheae eieasRsnct ... naciusg an aceisner ni the aert adn omvleu of dbolo eunrtngir to eth ahe.tr I am rpeytt uesr ehtre is roem to teh gilohposyy ebhndi ,hsti ubt I phoe tsih eadienxlp a tle.lti

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big92  mea"lyemdtIi wlfgooinl ocetrna,i vtiurreoaseno satiflu )VFA( si sscoadaeit hwti an nserecia in raccida ptuotu C(O,) ecdvhiea aenndroytlmip rhouhtg a oietdnruc in smtyseci racausvl ,aissercten reaensidc laacimdoyr crti,lntyoitca nad na eranecis in rskoet mlveou S)V( dna trhea eat.r Ovre het ilgwnolof eekw, iclnrcgtiau olbod lmvuoe nserecsai ni cotjinonunc ihtw snresieca ni atrial nad nrabi nratcuiteir .ptpidsee Tehes tnalsrtieao rea dtsoaiseac tiwh aleyr scsneirae in etfl tcrriuaevln L)(V liinflg spesreru tiwh eht tnitolpae rof ltatneurs cmatip on aaritl adn eurnrvacilt brehcma nidisemson and .nf"uncoti (I:DPM Tr24e2 5)es 55 58'h aosl oathrne yduts yb niepEts omfr hte 0s195 olngiko ta the tffesce of VAsF' eetfcf on OC ni mne DIM(P: 1)802.5137 lpatpenyA,r teh iaeescnr ni srginet OC is a ibg bprmole caueseb ti cna lade ot uo-hutpthig iccadra urailef H.(L)V +32
hungrybox  Jsesu 9ibg2 uyo entw ni no eth recasreh amlo u tsum be TMSP +6
temmy  ibg92 yuo are hitr.g that is wyh tsagpe ssdeeai ptegsa vhea high tutopu aridcac lerifua beucsea of het av uss.thn +5
kevin  whta si aiceren"s LP" +6
jhan17  crniodcgA ot weikni "hW an oesutoarreinv ufstila is fderom vvlnoigni a joamr yratre lkie the dnbamailo aor,at ti cna elda ot a lgare esdrecae ni leerhprpai trnsecasei sceeuba ti yb spas eriretalo (ehwre omraj PB is o)dmfer . siTh rledweo lharereppi tcsansieer asusec het hrtae to erecsina giretsn icdraca puuott ot ianamitn oeprrp oblod olfw ot lal ti.use"ss +


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 +6  upvote downvote
submitted by ∗azibird(279)
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I n'dto elfe iekl ayn of heste emtcosnm avhe lufyl sdeeaddsr hwy het tenipat nrlturyec has cerdaenis ingtser OC and TNO eecesrdad VS. eHre is hwo a idenfr of mine dliexeapn ti:

MPA (at gnrstie RH) = 32/ BPD + /13 SBP = 77 Hmmg ni shit eattnip, hcihw is rlewo atnh ralmno (39 Hmgm fi yuo seu 1002.)8/ So PMA si rsedeaedc and het trhynsdoiek/e nasgro trena' itggnte teh nuopefrsi tehy en,de nailged ot AASR ctnitaiavo dna meBSa.de/O PMA = OC × TRP, os shit cludo eb eud ot wol CO rtvaeeli to TPR ta(wh ew ululsya )tepecx or olw PTR teelriva ot CO. hsTi ttin'pesa egalr VA aliustf ahs epodrdp erh TRP evry ol,w whcih smnea erh OC tsum vhae nebe rvey ghhi rof the stap 15 yarse ot emosepctna h(igh tuoptu herat af.ierul She ahs lony 5 adsy of spmmot,ys iwhhc enasm hes is eyral on ni ehr HF. eScin seh hda hcus a hhig CO to nigbe ihw,t ehr dpor in VS isth aryel no lwuod sitll ealev eehr hwti an ENEDICRAS VS emapdcor to a lnraom ntae.tip sneslU her lpues is upesr i,ghh reh ertha mstu eb gpupmni a imsesav reotks veolmu ot ntinmaai a nrmoal lciysost oodbl esrpreus wtih hcsu a wlo TRP P(MA = SV x RH x TR.P) lvyaulne,tE erh SV yam esecaedr ot eb bolwe nrma,lo tub nto so larye on.

roF n sl:eNscteomeotp desdraeec rtarilea 2O tas euacsbe bdloo is ignowlf rmfo errayt ot en,vi ont eht hrteo wya unaot dNo.r ddreasece eimxd svoune O2 ats buescea reltaair doobl si dgnflioo het albnvuasic nive grith reefob mexdi 2O tas owuld eb oads etr.eumN isredneca SRV usebcea of eth lgare VA suli.fat

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 +2  upvote downvote
submitted by ∗the260guy(18)
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utB ee'hsr ym brmloep wtih hist :qieuston ti yass atth hes sha a 5 ady tyohrsi of OBS dna woelsnl le.sg So osbvluyoi teh hatre is inagfi.l I pkdeci csedaDeer erktSo uVelmo rfo that onr.sea

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nwinkelmann  VA uslsiaft are oen acuse of ou-ghhttupi iacdcra .larfeiu hTsi nespor esrptsne hitw tareh aireuf,l tub it si ude to lconayclrhi idseecarn etrisgn .CO +2
lukin4answer  nelnn@miknwa sey shtat ,ritgh he ahs iflagni .rhtea but uiosentq is ngksai atwh is teh gindnif of hist teptn,ia I nunraetsdd teh ecasu si iFastlu iascung hihg oututp l,urefia tub ethy ddit'n ksa teh aoersn of ihs ,FH yhte rae niaskg the dn.nifig I hoseoc eeesrdac toekrS mOelVu /: +
happyhib_  hTis was ym clgoi dan otg ot esaderced etkros oulvem sa l;wle eyht tearn agikns wtah cudase ish FH or nytnghai ti yssa twha si eht otms eykill nifidng in tihs i.epatnt If his arthe si niagifl eud to LHV mrof ctentisson aidencres CO lotdwun he TA SITH ERYV MNEMTO IHTW hsi terah fnaligi hvea ecddreesa ktores elo?muv.. +


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 +2  upvote downvote
submitted by ∗usmleuser007(464)
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OC is eeisnacdr twhi )1 cddeersae d)fo2eaa rtl eidceanrs )aodpl re3 enrIdaesc toiarlnticytc

An nesvaureioto alftsiu rcatese na learnaetvit tuoer fro iatrla lodob ntio the usveon nluacirtico ow/ onggi spat the rreselaoti t(he armoj aecsu fo sTt.sianhcse, u)re yb godin so teh TRP tfda)rlo(ae aedscrees dna eht OC si .aesnrcedi

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 +1  upvote downvote
submitted by ∗uslme123(86)
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AFV's = areincesd drciaac tuut .TpUBo tshi stni' wne rof htis sepno?r I wive hsti as a hreat atht ahs nlfiyal unebg to laif -- dcresadee eeifcvtef urccyalrtio oeumvl g-;t&- aireendsc S.VR

But i egsus oyu t'cna haev B obeefr A -- hwveaetr -\-

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happyhib_  hsi bp saw oentshgmi liek 0531/;0 hwit ilsdtacoi doranu 50 I egdrfui he cloutdn aveh esindaecr VSR eseucba shi itsioaldc wudlo be ?gheihr +2
trazobone  I adh shit msea goairesnn I eectlomlpy sodelsg vero hte BP 🏻♀‍️🤦 +


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 +1  upvote downvote
submitted by nuts4med(8)
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oeyAnn ehva na eaid hwy eht eedracsed taarleir O2 rottaanuis si etorncr?ic sAmsngui ehs sah mplu ademe einsc ehs ash EL mdea,e dlotn'uw a lwroe 2O tsa eb epedcext oto?

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haliburton  I eieebvl rhtee uolwd be no seadreec ni O2 ainutrtsoa suecbea gyendtexao ldobo ghh(i e)eupsrsr is hustend tnoi yeeotdndgxae .cirutci As ogln as eht gnslu cna ekep ,up tsih holuds recianes evsnou yixoeagontn on eavager. +7
hungrybox  ty btho of you orf thi,s was dweninorg eht mesa gnhti +
coxsack  2O sta n’two hacegn b/c yo’eur ont ddigan oednxdtygaee dbolo to eth eatrilar die.s ’ueoYr tusj kanitg iraalret odolb and guttnip it inot sevuno ol.dbo aemS arsone wyh R>-L riccada hstusn n’otd sedecear O2 tsa weilh( ni cttsor,na a L>R- shtnu l.)dwou +5
hungrybox  tsju rea:zdeil het hhgi rreuseps of the riarleat eysstm epsek uot p-eeulwssorr uesovn ooldb ni na AV auftsli (rloybabp oovisub ot tsom ppl btu it aws a reeauk oenmmt rfo em l)lo +2
chandlerbas  ay uoy twno veha recdaeeds ailarret O2 tsa sucebae aytognenixo fo bdolo si sufoepnir idemilt 1A(9F -645)- reofhrtee tyiangenoxo fo eht loodb ashenpp hniiwt hte tsrif .cod3ssne of greintne het ayrlomnup yilpclara ttha uoy odulc eevn nealdh gainhv more eogeeaxtydnd boodl eertn +


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 +0  upvote downvote
submitted by ∗step1soon(51)
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ratHe luif:era This si het msto srueios cacilpoinmto fo elarg rtevsrauooeni filasu.st cineS yuor boldo fwlos erom ulkqciy guhtrho an veisenrrotuao utfsial ntha it dlwou fi uroy odbol fledow rhhtogu a olnamr scoeur of iste,rrea plasiaeclri nad ienvs, ryou rehat pumps rrheda to tamcesnepo fro eth drpo ni oblod srsereup ecdl(al tu-gtipohuh harte liaufr).e vOer eimt, hte aeincedsr stneiyint fo your hetasr' pmpgnui can waenke yuor harte slc,eum ndlieag ot rtaeh f.uilera

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