摘要(Abstract)：
<正>Rheumatic beart dineare(RHD) was at most in valvalar iMM (RHD)Ka*tmo tawtalMr ao4i3pptartdws^^ tht 223 emi finW l by PBVP b our ndtypic^nwnurbdiiAH^ou w diviOMdby 2DE tad U-motoVCQ,aottiy 156eMBtrfMS wilh mitnl fawfficiwqr, 96 cmm with Aul fitriUdna PS mi 18 n>, ru e of gewK 12-41 yem oil llie otwmtioo -a mi ^p(kd with tocknl l tt mttiatbr b n wop Mdioa, Idt ratrioilv Aort u* Mcboa The imm point* of election ndcrtiov by ZDE nd M-mode eobocvdiognfihy wm 1) Obmving the locrtion gl degre* rfvih lhinlMning inrl tdh *op d movemm condition, deUfledly, fiwn then to ippnwe prthok>(k l type of MS axrtdly. Pnra dbtdofl t>pe it wh ^99 of MS mk PBVPO.e. PBMV) etpecitUy, MGoadlyttWHn±^typeefl^,MtlHflni^t)ffaorMS b ralh]ai^ Pun pulmaaaiy valvulvileaonimAPBVP. trtifitwifliitanMts rtngtt wttrioilM cwlput tnd or b toUJ p kno ry irtoy. fl wifl don1 IfuilPBVP 2) CcmprftoodfflethBdegrtHjrfrfhMoo. ft t ml ctta&xfon M d] -vmJvuUi unit ibuadttUy. Tbeio cmm with etianta wope d terioui d w dont wit PBVP (putisatoy, trilh *enoui dbenoo^tbicfceiiingttcxirdMlDndHi) 3) Cveflilly detraiutiiv At op<^ q>lituda ind vet of MV nd PV ww importJrt to elect opention md obeervg cuntive rfTect, ifflw opening uv* of MV HoaU Hun 0.7Deler mined mtx blood flow velocity MV opening in diutolk period md diutolk blood flow veloch> in pulmoiury utay by Doppkr ecbocanBognphy, Hwfllbmnorerdi bfci.Ttw 2DE M-modft UCO md Dopplcr-eobo wm very omy tad relwble method in election indication of PBVP deemed by fee rathor.
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