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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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GCE sircagT.n heT isndetac beeetnw SQR molepcesx si uyostnnuoicl ubota 6 be,sxo os trae si fdeu heafsTc.tin is a 3rd dgeeer ckolb eehwr het iarat and cetvsliren ear itgenab eteenpdnindly fo hhacoeter and teh RR si avqunetile all oegT a.lnh n2d SQR xolcmep is SUREP r,rawno adn trhoes ear sloa rwnoar, chiwh menas hryete pliaerzoidng ksahnt ot nduebl fo H.si

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homersul  slilt iltslghy cfneosud hyw t'dnid yuo ickp tilanisroa eo?dn 'sahTt aulslyu oedsrydet ni bAfi ot oelms'iar'n het RH +



 +5  upvote downvote
submitted by sajaqua1(607)
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tu'londW total AV loand anbotial reydost to orymhytticihaut fo hte areecam?kp hTta dwuol anem taht bewol eht AV oned hte mrtyhh duolw be orvdipde yb a rrvniacuetl o,ifc adn setho alusluy tereac wedi SQR moxelpsce.

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haliburton  atht wsa ym nnesraogi as l.wle esgsu nto. +
yotsubato  tShyti EMNB grmarma ierstks inaag. +1
charcot_bouchard  N.o oN gs.yu dlBneu fo hsi eodctla ebowl VA deon nad ti nca neaterge .suelipm ti cslal toncujni epesca thyhrm dna rrnaow lp.oemxc Bewlo isth si ,kjunperi edlubn rbhacn ≈m talcireruvn u.ecsml ehots are wdie xpmceol +20
abhishek021196  mTolcreo tdeVih()Tpeh-lgekb  rde eAc taari dna nslirveect tbae linpyndeteden of caeh rhte.o P aesdvanw RQS omcpxesle ont myichtlyharl aose.atsidc rliaAt tear ;elcg uaittn&vrr aet.r sUlylau ttdreea twih e.rckampea naC be sbaeu ydc y3mL dsieaes +2



 +5  upvote downvote
submitted by aladar50(41)
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rFo hte CGE, I iatlyniil huogtht it asw n2d eedger yTep 1 secabue it esedem htat eht RP eraltnivs eerw nencgrsiia tluni a teab wsa dpdr,poe but if you kloo at it ,syloelc esmo of teh P evwsa were ndhdei ni the RSQ lpxec.omes fI uoy tiecno ,htat ehnt uyo cna ese htat ehret were urlrgea P vwsae dna raugler SRQ sxoeepclm, tbu htere saw a mteeplco tscaidoiosin wnbeete hmet ihwch naems ti aws 3rd eerged ethra bkc,lo so het enwsar saw oatinbla raen het VA e.don

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yotsubato  eanwsr saw onabliat aner eth AV neo.d o N ti t.awns tI saw aabniotl OF EHT VA oden lfs.ite hWich faekd me o.ut +9
makinallkindzofgainz  The tetnagn by uesr r"bhba"wt says that heret si pr" hnneltnegig vlpisoeyrgsr"e ubt reteh is .nho iTst is d3r egreed VA kcolb. heT P sewva cmarh otu tlnyisetsnoc at eitrh wno a,ret nda het SQR escmpxoel mahcr tou at terhi nwo r.tae ehTre si eeolpmtc itncioidsosa betnwee eht P awsve adn RSQ xscloep.me They evah on rialispn.tohe hsiT si calexty what you dwuol ese fi oyu ltebaad eht AV deo.n ehT SA odne wldou uicneont to ot eetcar P w.esav hTe bndeul fo sHi udlwo ocinnteu to negtaere onulcjaitn oam(nlr i)gkonol SRQ osml.pxcee +6



 +3  upvote downvote
submitted by mutteringly(34)
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WU Qienosut :dI ie6n 17s9gTt a vrye slairim occtenp adn irsoepvd a rgeat liteannxoap ofr sth!i

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 +3  upvote downvote
submitted by fallenistand(27)
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ihTs sionueqt is gkains wtha doluw aecus t!his PR aetlvinr sgensmi pu is an siues at eht VA deon. oS taiblagn teh AV neod dowlu aecus haetr .kolcb

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 +2  upvote downvote
submitted by krewfoo99(116)
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nI adosrb nda nyeobd, It si asdi hatt dthri geered tarhe ckbol si ued to oblck in het SHI reiPkjenu ysmets. So hyw odwlu bntaoali of AV oend secua isht isdes?ea

tnWoldu teuntcdirso fo tpra fo lfet tecilvenr eb a rteteb anrswe ?

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brbwhat  Had eht emas dot,ub edaR het atrp aigna dan ufdno phyis.Tte 2 sI secdua hnwe kupeirnj si ninhagg yb a eahdrt nad hereotrfe esom spmseliu ue,ndoctdc meso hnt.C bo si udaecs by jnrekuip otn otgdncnuic lsimuesp form sa,n meso rolwe pacmaerke ie ujpknrie ro shi is osipndaeilrg by sftlie ehcen eevrniltcs teab teliydnd.ennpe reeTh si OLKBC ni erpujkni rfo cndcitooun rfom gsa.onmnA iopnost hte lyno gtnih ahtt hssselabite tshi lbokc si nva ntaoiab.l +



 +1  upvote downvote
submitted by methylased(20)
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glRareu hmrhty nt(cou the esx,ob yteher' m)a,es 1 utdocdcunen p wvea twhi algrreu yrmthh t&g--; iarat and vstnierelc ibgtena dpynieeneltdn liel(yk ecltnsvier rctl yb PsjiHin)-eurk ;g--t& eemtoclp r)d3( htrae ockbl &-g-t; AVN aitonalb iths( si calaulty oden ofr pts htiw Afib siemsoet)m

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 +0  upvote downvote
submitted by endochondral1(24)
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I thhotgu onlaibta fo eht va onde swa a xt orf a ibf tno tareh l?kcbo

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underd0g  ehT qioeunts assk ofr the EASUC fo het hrtae ckol,b not .reteamtnt +



 +0  upvote downvote
submitted by osgoodschlatter10(41)
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I iktnh the ieounstq srfeer ot a srnecoia uaecds yb obiaatnl of a acrtprulia roengi of the eat.hr

fI uoy okol llcaefuyr eterh aer oems -peetmrura vrleunitrca bsate o(r trearh jtsu .1) -ePmutrrae iatcurervnl eatbs anc be sucade by abnotali fo the AV nedo cines eht AV oend is ribnsplosee for hthrym orltnco by nlcgliorotn eht reubmn of SA edon elumpsis atth aer iattnrestdm ot teh lraeuivcnrt celtreailc eowtrkn.

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 +0  upvote downvote
submitted by kard(52)
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aetitsnP who ednugro an VA dnoe aoabntil are laso ampedlitn tihw a makecaper to phle imananti a nlrmoa aerht er.at x.T ofr ctlpmoee Bkcol

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 -2  upvote downvote
submitted by goodkarmaonly(2)
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heT CGE soshw a Mtzobi Tyep 1 ckolb ilngpo(gnro PR odoflelw by a pdrpdoe as.weeTv eh olkcsb aluuyls iaers sa a rcbudtpoy of a ultifsdoycnan AV o,ned os obinlata at the AV oedn is the msto eprprioatpa arwsne ni sith scea

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kcyanide101  hsTi oklso roem ekil a tmzibo ytep 1. uYo can eaopmcr het ecg snridaeg to thta on .F..A. tFris eeegrD BH ma&;p obzMti etpy 1 are yuulals AV mo.e.b.lrsp. Weihl Mtibzo yetp 2 dan d3r gdreee are IHS enkpiurj efrib sssuei +



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