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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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submitted by amirmullick3(76)
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CGE .scganiTr The csneidta tebween QSR xesmolcep is ncuolouinyts abtuo 6 x,ebso os tera si ie.fTcfnsehaudt is a r3d egdree obclk wrehe teh aarti and ltenecrvsi aer nbgtiea teepinyennddl of ohhceeart nda eth RR is vqieteulan lla ghl.eonTa 2dn QRS xmpleoc is EPSUR rn,awor and erotsh rea aslo ,rwarno hwchi asnme erhyte aiolgneprdzi nkstah to nuldbe fo i.Hs

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homersul  tlsli lhgytsli csdnuefo hyw idn'td ouy pick oaisinlatr oe?nd asht'T slualyu dotyereds in Aifb ot 'aor'lmenis the HR +


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 +5  upvote downvote
submitted by sajaqua1(607)
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uWnod'tl taolt VA andol atlaoinb doyestr ot urtiiythyomathc fo the eer?kacmap Ttah uwlod anme ttah oblwe the AV ndoe teh htrhym dwulo eb ddrpvioe by a ectrlrnvuia ,ocfi dna theso suullya rateec wide RQS lcee.smxop

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haliburton  that asw ym nigsarone as .lwle guess ot.n +
yotsubato  ttSyhi EBNM mmrgraa esktris .anaig +1
charcot_bouchard  o.N oN usgy. lednuB of ihs ldcaeot wolbe VA oedn dna ti cna ganeerte iumlesp. ti slcla ncntiouj pseeac mtrhyh adn awronr .clpxoem olwBe isht si k,upjnier buednl rcabhn m&a;p raleruvtinc e.sclum setho aer diwe epcmlxo +20
abhishek021196  pcle)ce(o-m letideebVehrrToTg hkd A ritaa nda stivencler bate lidnednenepty of eahc hotre. P sna wvead RQS soexpclem ton mhcltylyhira ctsdea.iaos Alaitr tear ta ecrvlut;gin&r r.tea uyaUsll tetadre twih p.ameacker Cna be ubsda ecy yLm3 esaieds +2


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 +5  upvote downvote
submitted by aladar50(41)
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roF eth ,ECG I liatliyin ugtohth it asw d2n eegred ypeT 1 ecuebas ti demsee atth hte PR tailservn ewre gaeciirsnn uiltn a ateb saw drep,dpo utb if uoy oklo at it so,ylelc oems fo the P waves eerw nddihe in teh SQR .lxpeoescm If yuo teiocn h,tta enth uyo can see ttah teerh weer learugr P swaev nad urgarel RSQ c,lsmepexo but reeht wsa a ecmtpelo onisiadtcios ewneebt ethm wchih snema it swa 3rd degere ahtre o,clkb os the rneaws was ilantbao earn het AV e.odn

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yotsubato  wserna wsa anboliat earn teh AV .doen o N ti astw.n tI saw taaonlib FO HET VA deon el.ifts iWchh fdkae me t.uo +9
makinallkindzofgainz  The aegnttn yb esru hrw"ba"bt says taht erthe si "rp iltneengghn iyrsvgeprolse" ubt ether si th.Tio sn si dr3 redege AV cbklo. heT P avsew ahrcm uot tienloyscsnt at ihetr won ,eatr and het QRS pxcelomse rmahc out at trieh now .erat erehT si omeecltp osniciaodsti entebew the P evaws nad QRS sexlom.cpe yheT avhe on s.ahirtnlpoei hTsi is ylaxect whta yuo olduw ees if uyo bleatda eth AV nod.e eTh SA done wudlo ceinotun ot ot certae P .vwsea The bledun fo siH uowdl uinoenct to rtneeage luotnanjci olarm(n g)ookiln SRQ o.mepcexls +6


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 +3  upvote downvote
submitted by mutteringly(34)
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UW utnisQeo Id: g9e16snti 7T a veyr isariml cnocept and vorsdipe a raetg oiapntenalx rof hist!

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 +3  upvote downvote
submitted by fallenistand(27)
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sTih tinuqoes is saking hwat wudol uaesc ish!t RP vtelnair gmnsies up is an sesui ta eht AV .ndeo So ignatlab eht VA deon odluw caeus ahtre .bklco

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 +2  upvote downvote
submitted by krewfoo99(115)
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nI dbosar nda yeo,dbn It is disa thta dthri redeeg aerht bcklo si due ot ocklb in hte SIH jiekurPen tsym.se oS hwy dwolu tlaoainb of AV odne asecu ihst ssda?eei

Wtudlno riucteostdn of ratp of felt rcnvlteie be a etbter ranews ?

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brbwhat  Had teh seam ub,tdo aeRd teh arpt ngaia nda fnoud Te.tyshpi 2 Is uedacs nehw ukeijpnr si nggihan yb a trehda nad reethofre esmo mpselsiu ncuoecddt, omes Cbo.tn h si seduca yb jiunkrep otn ctcgionudn plumises mfor sa,n semo lwroe maperckea ie nrkpijue or ihs si dnerasiglpoi by ilseft nehec stieevclrn btea etelnyenndd.pi rThee is LKOCB in njueikrp for oninodctuc rfmo manAs.nog tpoiosn the lnoy nitgh that hleaesbtsis tihs cklbo is avn .baiotlan +


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 +1  upvote downvote
submitted by methylased(20)
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Rgurael hrhytm notu(c hte ox,sbe etyhr'e emsa,) 1 condutenucd p evaw itwh aeulgrr tmhyhr gt&--; raiat dan estlenrvic tiaebng niddtpnelnyee (eiklly encrtlsvie lctr by kirjeP-Hiu)sn &;-tg- ompcelet )d3r( etrha clbko -t-&;g NVA aalnitob ihs(t is taylluac enod orf tps tihw bfiA )seotismem

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 +0  upvote downvote
submitted by endochondral1(24)
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I hgttuoh lobainta fo hte va node swa a xt for a bif not thera lb?ock

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underd0g  hTe unqtsioe skas rof het USACE fo the atreh cokbl, tno tet.atnrme +


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submitted by osgoodschlatter10(41)
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I nkthi eth iqetnuso esferr to a naiceosr asuecd yb tnlaioba fo a ilrauptrca ionegr of hte ehrt.a

If yuo olko yacurllfe terhe rae smeo eamr-preut rtelnuravic seabt ro( arrhte ustj )1. -uerraPetm nlitaveurrc sbaet acn be desuac yb iotblaan of hte AV odne enics teh VA oedn si olnbsespire rof mthryh lctnoor by inonltrgloc eth reubnm of SA done ulsspemi hatt era ttdrestimna ot eht lvtcrnureai ellaritcec .tkornwe

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submitted by kard(52)
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atnsPite hwo regduno an AV ndeo aiaolntb rea sola eidalpnmt tiwh a ceakprema ot hepl nimniata a aomlnr rheat eta.r T.x orf ltecemop olBkc

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 -2  upvote downvote
submitted by goodkarmaonly(2)
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The GCE shwos a bMotzi ypeT 1 lckbo gplionrn(go RP fooedwll yb a pdpdreo evese .waTh kocbls uayllsu easir sa a pcourtbyd of a yadinfuolctns AV end,o os oaaltnbi ta eht VA oden is eth most piaotpaeprr rweasn in isth esac

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kcyanide101  hisT ksool rmeo keli a zbmtoi pyet .1 You nca eopmrac the cge edarsngi ot hatt on ...A.F itrsF geDree HB ap&;m tzMoib tpey 1 aer uyausll VA ..sre.pblmo. lWeih obiztM tpey 2 dna 3dr edgeer era HSI irknuepj brfei susies +


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