Tiêu đề Sieu Am Nhan Khoa Co Ban.pdf ✅

TS. NGUYiN hQU QUOC NGUYEN GS.TS. TON THj KIM THANH SIEU AM NHAN KHOA CO BAN D£l HQC THAI M*uYti\i t b u n g t Am h q c l $ l NHA XUAT BAN Y HOC HA NOI - 2005

LjCH SUT SIEU AM MAT Sieu am da trd nen can thiet trong chan doan nhan khoa bdi vi no co kha nang phat hien, phac hoa va biet dUdc tinh chat ciing, mem cua cac ton thUdng trong nhan cau va hoc m&t lien quan den viec van due cac moi trUdng trong suot. Sieu am can co sii bo sung cua cac phUdng phap khac khi can co can thiep ngoai khoa trong cac ca nhU: Bong vong mac, xuat huyet dich kfnh... Chan doan sieu am doi vdi cac mo mem thi tUdng tU nhu kham X quang. Cac s6ng am tan so” cao dUdc truyen xuyen qua cac to chiic mem va phan hoi b&ng cac do hoi am khac nhau tuy theo hudng di cua chum am. Am sii dung cac nang liidng phan hoi tvf cac mat ph&ng to chiic de phac hoa nen cau true cua to chiic cung nhu sii khac nhau ve am hoc gifla hai to chiic. Su ghi nhan bieu do cua cac song hoi am nay co the tao ra mot mat cit nhan cau theo khong gian hai chieu (Sieu am B) vdi cac chi tiet lien quan den mat cat to chiic hoc. Cung co the ghi nhan theo dang ke do hinh trong khong gian mot chieu (sieu am A) tUdng tii nhu bieu do dien tim; Sii chuyen dang co the cho thay tinh dac hieu cua sU hoi am cua to chiic cung nhu cac sii do dac chinh xac theo cac hudng cua to chiic. Co ba loai hien thi sieu am dUdc dung trong sieu am mat: Sieu am A (sieu am bien do theo thdi gian) Sieu am B (sieu am dieu chinh cUdng do difdc quet b&ng cac cham sang. Sieu am dong M. Sieu am A la ky thuat ddn gian nhat va hien thi chieu cao cua am doi tUdng ling vdi vi tri cua no doc theo dUdng di cua chum sieu am. Trong sieu am B va sieu am dong M thi bien do cua cac am doi dUdc chuyen hda thanh diem sang nhii la cac cham tren man hinh cua may hien song. Trong sieu am 5