S DNG MY SIU M TIM

KONTRONPHILLIPSSIEMENSHP

Trnh t lm siu m Mc in timChn u dTM / M mode2 DDoppler

1.chuan b sieu am Sieu am tim la 1 cong viec khong de hoan thanh. No nh la mot th thach e hoan thien, mac du co ngi a thuan thuc trong cac lnh vc sieu am khac. Mot nha tim mach kinh nghiem cung can en kham nghiem sieu am, ma oi luc co the bo sot khi kham lam sang. Trong khi o a so cac ch nh sa la do cac BS chuyen khoa khac hoac BS a khoa. Nhieu bat thng, thng c phat hien ma ngay ca nhng nha sieu am chuyen nghiep cung phai ngac nhien (orgasme echographique).

2.Chuan b benh nhan Giai thch cho benh nhan trc tien hanh 1 thu thuat la cong viec can thiet. Nhieu benh nhan thng to ra lo lang trc sieu am, mot phan do cach kham nghiem, phan ln la ket qua ang ch i, benh tim co the la thng gap trong cong viec hang ngay cua BS sieu am, nhng o la tin tc mi va lam benh nhan lo s. Ch can giai thch ngan gon ban se lam g khi tien hanh, se lam benh nhan yen tam. Tuy nhien BS SA cung khong nen i qua xa trong viec giai thch ket qua neu ho khong phai la ngi chu trach nhiem cua benh nhan.

2.Chuan b benh nhan (tt)Khong co chong ch nh tuyet oi oi vi sieu am qua thanh ngc, nhng vi nhng trng hp kh qua nhieu (vd benh nhan benh phoi tac nghen man tnh), nhng benh nhan qua map hoac nhng benh nhan nang hon me, ang th may, se la cho cuoc kham nghiem tr nen kho khan hn.Tat ca benh nhan can thay ao e tranh dnh chat sieu am cung nh bt e then luc sieu am.

3.Phong sieu am Tot nhat la co ging benh co kha nang ieu chnh c o cao, phan au co the chnh c. Can co 1 cai goi au e au benh nhan va oi luc cung gup lam cho co c nga tot hn.Bac s cung can co 1 cai ghe da co the ieu chnh o cao c.

4.Lu tr hnh Trc ay lu hnh bang bang Video, ngay nay a so cac may lu hnh di dang so hoa.Can vo ay u cac thong tin ten tuoi, ngay thang thc hien.

5.Chon au do Tan so au do tuy theo kch c cua tng benh nhan. Tan so au do cang cao se cho o phan giai cang net va chi tiet, nhng co o sau kem. Ngc lai, tan so au do thap se co o xuyen thau cao, nhng o phan giai thap. Hien nay nhieu hang san xuat au do a tan so, chung ta co the thay oi tan so bang ieu chnh bang nut tren may.

6.May in Thong thng hnh sieu am in tren giay nhiet. May in co the cai at che o trang tren nen en hoac en tren nen trang. Mot so may co the in mau. Hnh so hoa co the lu tr vao may vi tnh va in may laser.

7.ien tim ien tim co the bieu hien pha tren hay pha di cua man hnh, ong thi vi cac hnh anh khac nh 2D, TM, Doppler . ieu nay cho phep xac nh chnh xac chu chuyen tim, chieu dong mau(vd tam thu hay tam trng).

Cc nt chc nng chnh trong iu chnh hnh nh 2DDepth (Profondeur): thu nh hay phng i hnh nhFocus (near, far)Size / Angle : gc cng hp hnh nh cng r Zoom / Magnifier : phng to mt cu trc chn lc theo mun.Gain: tng hay gim m .Gain theo tng gip ci thin tn hiu mt su mong mun.

nh v trn 2 D

Tri / phi ca hnh nh: trn u d c mc nh du tng ng vi biu tng bn phi hay tri ca mn hnh.

Hnh nh cng gn chp l cng gn u d

Cc nt chc nng chnh trong iu chnh hnh nh 2D-TMPhm dng hnh: FREEZE / GELERPhm SELECT Dng chut chn v tr ct TMSpeed

DopplerDng chut chn hng bt vn tc dng mu.GainAngle : dng phm ny nu nu tia Dopper khng song song vi dng mu Sai s cao nu iu chnh > 30 o.

Doppler muCFM / Color Dng phm SELECT thay i din tch hay v tr vng ph mu Gain: tng hay gimTM mu:- o vitesse de propagation ca sng E (kho st CN tm trng)- o kch thc dng h ti gc

Cch o tMeasureChn menu thch hp.Dng phm ENTER / SET / VALIDER

Vi tnh nng c bitEdge enhancement : thy r ni mc.TDISpeed: (Khi o TM hoc o vn tc Doppler)Chn tc nhanh o thi gian (IVRT, DT)Chn tc chm kho st s bin thin vn tc dng mu theo chu k h hp.Annotate / ABC : ch thch hnh nhGhi hnh (trn a CD, bng t)

TOM TATSieu am tim la mot nghe thuat, oi hoi Bs phai nam ro giai phau, sinh ly, sinh ly benh cua benh ly ang lam.Phai nam vng nguyen ly hoat ong cua may sieu am, biet cach ieu chnh thuan thuc cac thong so tren may sieu am (oc ky user manual). Cac nut c ban: 2D, TM, colour, CW, PW, calculation, TDI, PD