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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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CEG gcTrisn.a ehT ticaneds eebnetw SQR oxlepcsem si ulniyncusoot obtua 6 esbo,x os erat si ueTtfcs d.fiaehn is a d3r eeegrd lokcb hrwee eth raiat nda sictenrevl aer gtieanb etenypndenldi of heaerohct nda the RR is qevlaeuitn all oh gTela.n d2n RQS exolcmp is USPER orn,awr dan eoshrt rea oals or,nraw chwhi sneam yheert digonrezialp stahkn to unlbde fo H.is

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homersul  tlisl ythlgils denfosuc hwy 'didnt oyu cipk isaratolni edo?n thTa's ulsulay rdtedyeos in iAbf to s'aorl'mein teh RH +



 +5  upvote downvote
submitted by aladar50(41)
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For the G,CE I inliitlya huhttgo ti swa n2d deereg Tepy 1 ecbaseu ti esdmee htat the RP tvlsieanr eewr ingrncasei nitul a eabt saw dpord,pe ubt fi oyu kloo ta ti ,ylleosc soem of teh P avesw erew dhiedn ni the SRQ .ompscxeel fI uoy icotne ,htta ethn ouy cna see that teehr ewre regulra P aeswv and rgelrau QRS ,lmxseceop tub eerht swa a etmolpec idintooiscsa eetebnw hemt hihwc amnes ti swa 3dr regede trhae k,blco so the srnewa was ianlatob nrea hte VA .oend

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yotsubato  narews wsa aaoblnti aenr teh VA oedn. No ti twsna. tI asw laintaob FO THE VA neod lsiet.f iWchh kdaef em tou. +9
makinallkindzofgainz  The atnnegt by reus bwtbh"ra" syas ttah hetre si "rp tenhginlgne pirvseoygs"elr btu eetrh si .hnis oTt is d3r gdeeer AV c.lkbo hTe P easvw ramch uot oecslnitstyn at heirt won r,tea adn het SQR xecspmeol amchr tou at rithe won .reat heeTr is plmoeetc iisdcaostoin tebeenw hte P veaws adn RSQ smxpo.leec yeTh ehav on nierapls.hiot siTh is laxcyet athw you uodwl see fi uyo adeatbl eht VA .endo heT SA oedn wlduo niuencto ot to creeta P .wsave ehT benlud fo siH dwulo nteiunco ot egeernat autcjnolin (omarln ko)ginol QRS ecloxes.pm +6



 +5  upvote downvote
submitted by sajaqua1(607)
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u'ntdoWl totla AV adoln ibaatonl etrsydo ot tamihyhttoiruyc of eht k?emracpea Taht ouldw nmae tath owleb teh AV dneo teh ryhmht dlowu be vpiroedd yb a tcvuielrnar c,iof adn eotsh uauylsl etreac iwde RQS meeocp.lsx

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haliburton  hatt swa ym rineasong sa .lelw sugse n.ot +
yotsubato  Syhtit BNEM rgraamm rksteis .gnaai +1
charcot_bouchard  N.o No guys. delunB of shi dtcoael bewlo VA onde and ti can natgeeer msul.pie ti slcal nionjuct sceaep ymhhrt and warnro xelompc. owBel siht is jr,keupin ubnedl cnrhab p;m&a ucirrnlatve cmes.lu eoths ear idwe cmolepx +20
abhishek021196  dehrhTb lcerTe k)-dleciVoeA(eo tgm p aarit nda nrestvcile eatb ylpdteedninne of heac hr.eot P vaasnedw QRS esexcpoml ont ratchllyyhmi toac.iessda taAril atre &rnltcigaetu rv; .aetr slyuUla arettde tihw ecpmra.ake anC eb d ubecasy myL3 sseedia +2



 +3  upvote downvote
submitted by fallenistand(27)
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hTis tseoquin si kasign ahtw duwol sueac ihst! PR elatrivn sngmsei pu is na suesi at eht VA dneo. So nabtgila eth AV deno uoldw ecsau rehta lbko.c

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 +2  upvote downvote
submitted by mutteringly(33)
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UW Qniotseu Id: g Tiset79n61 a yver imslrai etcconp nda irpvodse a grate aplniexnota rfo ist!h

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 +2  upvote downvote
submitted by krewfoo99(115)
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In rodbsa dna d,nebyo It is dias taht drtih redege hreat cbklo is edu ot clokb in eth ISH enkejiuPr t.syesm So wyh oluwd oatnaibl fo AV ndeo acues tish sieasd?e

tnudolW dtieortnsuc of artp fo eflt ltvneerci be a brttee sanerw ?

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brbwhat  aHd hte msea tbo,ud edRa eht rpta agnia dan dfnuo . Tiystehp 2 Is asuced nhew pejuknir is hinngga by a htraed dan rfeoerteh eoms lpsiemus ccdeondt,u some ht oCnb. is dsaecu yb nrepkjui otn dcigcntnuo ilsmepsu frmo a,ns smoe wleor raaecmkpe ei ruijnkpe ro ish si adsireigonpl yb sfietl ceenh cesntiverl ateb dpenden.iynetl ehrTe si LOCBK in nrkueijp rfo nntiuccodo mfro .g mAnsnoa oitnpos eth nloy inhtg hatt sisaetlhbse thsi lkobc is avn .noabilta +



 +1  upvote downvote
submitted by methylased(20)
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eaurlRg mthrhy tu(ocn the xeso,b 'yeetrh ,m)ase 1 eudunotndcc p eavw thwi egularr ryhhmt &g-t;- irtaa and encvreislt agnbeit dtdeneipnlyne (lyilek svneiclert tlrc yb nk)ieHur-jsiP &tg--; pctelmoe 3rd() ehart koclb g-&t;- VAN nlboatai s(tih si aycllatu done fro spt whti fiAb stmems)ieo

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 +0  upvote downvote
submitted by endochondral1(24)
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I thgtouh aaniltbo of the va edno wsa a xt ofr a bif otn rteah lko?cb

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underd0g  ehT qeitsuon skas orf eth CASEU fo the haert ,ckblo tno tme.nttrea +



 +0  upvote downvote
submitted by osgoodschlatter10(41)
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I tkinh eth ieuoqstn erfres ot a rcoasnie sadcue by ltoaanbi of a irucraltpa ognier of eht thear.

fI uyo oolk lrlyfucea erthe are esom mu-taprree cinatruelrv etsba o(r rarhet utsj )1. ue-aPtermr nurvaelrtci eatbs nca be uedcsa by blnaitao of the AV oedn encsi eht VA done si isbpoeslrne orf hrhytm otclonr yb rngontilocl eht nmrebu fo AS doen eimsuslp that are tinaemttrds to hte rrnvcueliat ceerclailt tn.ewkor

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 +0  upvote downvote
submitted by kard(52)
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nPitstea ohw egnrduo na VA oden bloaatni rae osal pnaediltm wthi a epamacrke ot pehl itiaannm a ronaml rteha a.ter .xT ofr toepelmc Blcok

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 -2  upvote downvote
submitted by goodkarmaonly(2)
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The CEG shows a zibtoM Tpye 1 bolkc poglr(gnino RP fewoolld by a pdedpor ee svah.eTw obklcs yuluasl sarei sa a rpdcyutob of a taouyclnisdnf AV nde,o os litnbaao at eth AV doen is eht tmos erptpporaai sewanr in tsih aecs

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kcyanide101  hTsi oolsk oerm klie a ioztbm yept 1. ouY can rcoapem teh egc nrigades ot hatt no .F..A. srtiF ergeeD BH m;ap& boztiM eypt 1 aer usuylal VA .eplo.bm.sr. hWeli iotMzb tpye 2 nda d3r eeegdr ear ISH ekijpnur brefi sesusi +



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