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Retired NBME 23 Answers

nbme23/Block 4/Question#41 (reveal difficulty score)
Electrophysiology of the heart is studied in ...
Ablation of the atrioventricular node 🔍 / 📺 / 🌳 / 📖
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 +7  upvote downvote
submitted by amirmullick3(76)
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EGC nrasg.Tci eTh aidetnsc wbetnee SRQ epmlcxsoe is siunlotcoynu buoat 6 o,sbex os reta si Ttacehudfisen. f is a 3dr eeegdr bkclo rwhee eht arita and resviletnc aer bnegiat leetynddnipen fo thehaeroc adn eht RR is tlvneeqaui lal .leTno hag dn2 QRS leocpmx si SUPER wr,nrao dna ostreh rea soal now,arr iwchh nsema yreeth ieongdrliazp khsatn to ubendl fo .iHs

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homersul  sltli styglhil sdcunfeo ywh tdndi' you pkci aniroisalt ?dneo Tsth'a uslaluy doredtsey ni biAf ot r'imona'sel the RH +



 +5  upvote downvote
submitted by sajaqua1(607)
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nu'oWltd tlota VA lonad obtlnaia osedyrt to ucthytahoiymirt of eth eck?ramape thaT luowd enam htta olewb hte AV enod eth rhmtyh uowld be doirdvep by a tcrenruvlia i,ofc dan shteo slulyau reaect diew RQS exlsp.emoc

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haliburton  htta was ym onisnrage sa .llwe gssue .nto +
yotsubato  Sthyti NEMB mmraarg riskset aa.ngi +1
charcot_bouchard  oN. oN ygus. ueldnB fo ish atdceol blowe VA nedo nad it anc etreaneg ielmsp.u it alscl cnnoutji epsace mthrhy nad nrawro pcemox.l woeBl isth si r,knjepui lnedbu achnbr p&am; rtilruavenc sec.uml etsoh aer edwi poxclme +20
abhishek021196  teer( To TAgbhVdeierhe )mdelplckco- taari nda nesvrieclt ebat yndeepnlitden of hcae ohr.et P aenv swad QRS poceslxme ton aylirclyhhtm .eisodsatca rAlati erat etgctrlin;u&v ra .rtae lyluUsa erdaett whti kamepcare. Cna be adceu ybs my3L deseais +2



 +5  upvote downvote
submitted by aladar50(41)
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roF eth E,CG I inialilty hghtuto it saw 2nd egedre peTy 1 ebucsea it medees ttah het RP itsavrnel eerw cianeirgsn tnuli a tbea saw dpo,drep tub if yuo okol ta it lyecl,os oems fo eht P sweva erew enhddi ni eth QSR mo.pceelxs fI uyo teinco t,aht hnet uyo cna ese ahtt erhet wree rualgre P ewavs nda glrarue RSQ lsxepcm,eo but rhete wsa a mtpeoecl doaticinsosi eetwbne ehtm ihhwc amsne ti wsa r3d egrede erhta ,cbkol so teh sarwen saw alnobiat nrea eht VA oned.

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yotsubato  rnawes was bitaoaln arne het VA no.ed No ti t.wsna It was tianaobl OF EHT AV enod flstie. hWhic aedkf me tu.o +9
makinallkindzofgainz  ehT agtnnet by esru rb"hbwt"a syas atht ehert is pr" lgnetngnieh lsrpivrosyee"g ubt trehe si oinhts.T si dr3 degeer AV coblk. hTe P vweas cmhar tuo slitoenctyns ta hietr onw ,rate nda teh QRS lpxcemsoe crahm otu at tirhe wno era.t erhTe si pmecoelt diaotcnsoiis bnteewe het P asevw adn SRQ leco.mesxp yhTe avhe on hnieoarislpt. siTh si ycxaetl hwat uoy lwodu ees fi yuo ltaabde eht VA do.ne ehT AS oend ulodw iucenont ot ot recate P ewa.sv The bdulen fo Hsi oldwu nutceino ot eetnreag jnuictonal ro(almn )kiglono QRS eelxsmpo.c +6



 +3  upvote downvote
submitted by mutteringly(34)
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WU etuQonis dI: sT6e7nit 1g9 a eryv lsimair ntecpoc dan iodevsrp a ategr epxtnaaoiln ofr sit!h

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 +3  upvote downvote
submitted by fallenistand(27)
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sThi iunotesq is skaing awth dluwo useac i!sht RP rvenalit isgsmne up si an issue ta the AV nod.e So agblnait eth AV onde would eusca etrha cb.lko

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 +2  upvote downvote
submitted by krewfoo99(116)
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In aosdrb nad ,dnbeyo tI si dasi taht hridt ergeed aetrh lkcob is eud ot lkboc ni teh HIS ujnrekPie temys.s oS why duolw anaiblot of VA done saeuc stih ds?eeais

nWdtuol cntudotirse fo rtap of tfel nlveirtce be a ebttre wnrsae ?

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brbwhat  Had eth emsa ,dutbo dRae teh aptr gniaa and nufdo T ty.heisp 2 sI daescu enwh kurenjip si ghnniag yb a ahtrde adn erretfohe oesm ieslmspu ctnceod,du eosm b tCoh.n si ucesad by rekipujn ton tncocdugin ulispmse ofrm ,nsa eoms eolrw mereacpak ie nkjeurip or hsi si dlopaisinrge yb lsefti henec isvceltner tbae nlnti.enpedeyd heerT is CLOBK ni iuperknj fro icndtnouco mrof a .mnnsgAo pitoons het lony tihng ahtt eihsatlbess htsi oblck is nav atolna.bi +



 +1  upvote downvote
submitted by methylased(20)
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greuaRl tyhrhm cu(tno eth ex,bos ryehet' ,amse) 1 dctuedncuon p vwea hwti lrregau rmyhht -g&;-t airat dan elteiscrvn ngebati nnendpeyldtei leiylk( entvrsiecl crtl yb ni)Ps-kujiHre ;&g-t- ltcopeem d)3(r htear ckolb tg&;-- VAN iboaaltn (tihs si yutlalca ndeo fro spt tihw fbiA oim)esmest

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 +0  upvote downvote
submitted by endochondral1(24)
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I tohtuhg aniatlob of eht av deon wsa a tx fro a bfi nto atrhe ckb?ol

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underd0g  heT oeuistqn saks rof hte SAEUC fo eht hetar ,lkboc nto anr.ttetme +



 +0  upvote downvote
submitted by osgoodschlatter10(41)
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I hknti eth eitusoqn refser ot a oeciarns deacus by inlaotab fo a iapltrcuar norgei of teh eth.ar

If uoy ookl uylrclfea reeth are osem arrumeep-t ituraecnlrv aesbt r(o tearrh sjut )1. -ereaPumrt rinlarcveut sebta can be dcesua yb iontblaa of hte VA deno niesc hte VA deno si oensrbpelsi rfo rtmyhh tonrclo yb rgiltnnoocl eth uerbnm fo AS edno puimsesl that ear anrtidstemt to teh urniarltcve ietccaellr kwertno.

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 +0  upvote downvote
submitted by kard(52)
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aeintstP who nuegdor na VA oedn abiltoan ear losa pnilaedmt itwh a kaecearpm to hlep aaimntni a onmrla ehrat .aert x.T orf tcopeeml Bkclo

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 -2  upvote downvote
submitted by goodkarmaonly(2)
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hTe EGC sohws a toMizb Teyp 1 lbock irgno(lgonp RP dwololfe by a poprded awvh eeeT.s sckobl auulyls sreia as a ytdorpucb of a itndnolucyasf VA n,doe so biatalno ta eth AV nedo si teh osmt trrppopaeai erwnas ni stih case

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kcyanide101  Tihs koosl eomr ikel a zbotmi epyt 1. Yuo anc cpamroe eht gce sragdine ot atth on ..A.F. Frist eDegre HB ;&pma Mztiob epty 1 era uyslula AV lpr..mo.bse. iWehl tzMoib pyte 2 nad 3rd ederge ear HSI knjrupie reifb issseu +



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