This video explains it https://www.youtube.com/watch?v=kvQ2IU3ILRo&list=PL3n8cHP87ijDnqI8_5WQlS4tN37D6P4dH&index=8&t=52s
I think by 'left sternal border' they're referring to the Erb's point - left 3rd ICS on sternal border.
Even I got it wrnong thinking tricuspid area is being described!
rtGae evdio no 1S dan its' iplt!s!
ehT way I eerbemmr ,it S:1 laitrM pm;a& csuitdrpi bc bdolo esgo mrfo aitra to vecnriselt tneh rfom cvsntreeil ot deuiots het aetrh ;gt-&- S2. N,wo nweh oyu vhae a pilSt S1 hte ywa I tnhki buaot si ttah ewnh oyu hlnaie yuo ehva taxre lodob coimgn tnio hte hgrti dsie of het htear os the siprtudic asvevl slcoes trela dna ueassc a iptsl S1 unop eotrsa.rinip Hoep htat .ephsl
Q: tiplS 1S eadhr vreo Letf neatsrl dorrbe - crispditu ra.ea tFisr cenotmpon of S: ?1A hiygantn C(M in BRBB) thta seascu leydaed rceuosl fo sditcrpui lvvae mrpadeco to rmtila v-vela lliw saecu tsipl S1 wiht yaledde 1T dna laery M1 rdahe at Tsdpuiirc .eaar
Peslea ared eht alst sceetnne of het inutos.q e I nthki eth ltpis himtg eb cusbeae of .R,bb sthi acuses eht iarmtl adn pirdiscut elvav to close ta fdrifente miste.
so- hwhci fo eht noogwllif bets iexnpals teh tfsir oomecnpnt of teh htaer dsuno (slitp .)S1 o Sluhd eb teh iltrma ealvv orulsce reofeb eth iucistdrp ve.lav
submitted by โlfsuarez(160)
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$279$49 65% OFFiFsrt ahetr nduso )S(1 si tdenreega by owt erhat vlv:ase the trilam laevv adn ciptsidur valv.e yaeNlr uaosletinusm olicgsn fo htees esavlv ymolrnla agrstneee a elnsig S1 .sudno Sptignlti of hte 1S dnuso si dareh ewhn mlirat nda iucsrtdip salvve cleos at lyhtgisl rfitfdnee emsi,t ihtw yullsau het rliatm osglcni eoberf rduistcpi
$279$49 65% OFF