Trong c\u00e1c ph\u01b0\u01a1ng ph\u00e1p nghi\u00ean c\u1ee9u sinh ly\u0301 tu\u1ea7n ho\u00e0n n\u00e3o, ph\u01b0\u01a1ng ph\u00e1p ghi nh\u1eefng thay \u0111\u1ed5i \u0111i\u1ec7n tr\u1edf c\u1ee7a n\u00e3o khi c\u00f3 d\u00f2ng \u0111i\u1ec7n ch\u1ea1y qua l\u00e0 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p nh\u1eb9 nh\u00e0ng nh\u1ea5t \u0111\u1ed1i v\u1edbi b\u1ec7nh nh\u00e2n, n\u00f3 kh\u00f4ng g\u00e2y \u0111au \u0111\u1edbn, \u0111\u1ed9c h\u1ea1i g\u00ec. Ph\u01b0\u01a1ng ph\u00e1p c\u00f3 gi\u00e1 tr\u1ecb l\u1edbn trong vi\u1ec7c \u0111\u00e1nh gi\u00e1 tr\u1ea1ng th\u00e1i m\u1ea1ch m\u00e1u n\u00e3o, l\u01b0u l\u01b0\u1ee3ng tu\u1ea7n ho\u00e0n n\u00e3o, v\u00ec v\u1eady ng\u01b0\u1eddi ta g\u1ecdi ph\u01b0\u01a1ng ph\u00e1p n\u00e0y l\u00e0 ghi l\u01b0u huy\u1ebft n\u00e3o. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y c\u00f3 nh\u1eefng \u01b0u \u0111i\u1ec3m nh\u01b0 sau: – C\u00f3 th\u1ec3 ghi trong th\u1eddi gian d\u00e0i theo y\u00eau c\u1ea7u nghi\u00ean c\u1ee9u. – C\u00f3 th\u1ec3 ghi nhi\u1ec1u l\u1ea7n \u0111\u1ec3 theo d\u00f5i ti\u1ebfn tri\u1ec3n c\u1ee7a b\u1ec7nh ho\u1eb7c t\u00e1c d\u1ee5ng c\u1ee7a thu\u1ed1c. – C\u00f3 th\u1ec3 ti\u1ebfn h\u00e0nh trong c\u1ea3 l\u00fac b\u1ec7nh nh\u00e2n trong tr\u1ea1ng th\u00e1i b\u1ec7nh ly\u0301 n\u1eb7ng nh\u01b0: khi b\u1ec7nh nh\u00e2n h\u00f4n m\u00ea, s\u1ed1t cao, t\u0103ng \u00e1p l\u1ef1c trong s\u1ecd v\u00e0 ngay c\u1ea3 trong khi ph\u1eabu thu\u1eadt. – Khi ghi l\u01b0u huy\u1ebft n\u00e3o c\u00f3 th\u1ec3 l\u00e0m nhi\u1ec1u nghi\u1ec7m ph\u00e1p sinh ly\u0301 v\u00e0 d\u01b0\u1ee3c ly\u0301 nh\u01b0 thay \u0111\u1ed5i t\u01b0 th\u1ebf n\u1eb1m – \u0111\u1ee9ng ho\u1eb7c \u0111\u1ee9ng – n\u1eb1m, quay \u0111\u1ea7u, ng\u1eeda c\u1ed5, \u0111\u00e8 \u00e9p \u0111\u1ed9ng m\u1ea1ch c\u1ea3nh, theo d\u00f5i t\u00e1c d\u1ee5ng c\u1ee7a c\u00e1c lo\u1ea1i thu\u1ed1c tr\u00ean \u0111\u01b0\u1eddng ghi l\u01b0u huy\u1ebft n\u00e3o\u2026 V\u1ec1 l\u1ecbch s\u1eed ph\u00e1t tri\u1ec3n c\u1ee7a ph\u01b0\u01a1ng ph\u00e1p: Schuelter l\u00e0 ng\u01b0\u1eddi \u0111\u1ea7u ti\u00ean \u0111\u00e3 l\u00e0m m\u1ed9t m\u00e1y \u0111\u1ec3 ghi l\u01b0u huy\u1ebft n\u00e3o (n\u0103m 1921) sau \u0111\u00f3 Meyer Grant v\u00e0 m\u1ed9t s\u1ed1 t\u00e1c gi\u1ea3 kh\u00e1c \u0111\u00e3 nghi\u00ean c\u1ee9u s\u1eed d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p n\u00e0y, nh\u01b0ng do k\u1ef9 thu\u1eadt ch\u01b0a ho\u00e0n ch\u1ec9nh \u0111\u00e3 g\u00e2y nh\u1eefng tai bi\u1ebfn khi ghi, v\u00ec v\u1eady ph\u01b0\u01a1ng ph\u00e1p n\u00e0y \u0111\u00e3 b\u1ecb b\u1ecf trong th\u1eddi gian d\u00e0i. N\u0103m 1937 Ganller m\u1edbi c\u1ea3i ti\u1ebfn v\u00e0 s\u1eed d\u1ee5ng l\u1ea1i ph\u01b0\u01a1ng ph\u00e1p \u0111\u1ec3 nghi\u00ean c\u1ee9u thay \u0111\u1ed5i \u0111i\u1ec7n tr\u1edf n\u00e3o \u1edf nh\u1eefng b\u1ec7nh nh\u00e2n ch\u1ea5n th\u01b0\u01a1ng s\u1ecd n\u00e3o. N\u0103m 1940 Nyboor v\u00e0 c\u1ed9ng s\u1ef1 \u0111\u00e3 d\u00f9ng m\u00e1y ghi l\u01b0u huy\u1ebft n\u00e3o \u0111\u1ec3 nghi\u00ean c\u1ee9u kh\u1ed1i l\u01b0\u1ee3ng m\u00e1u l\u01b0u h\u00e0nh \u1edf tim, ti\u1ebfp theo nhi\u1ec1u t\u00e1c gi\u1ea3 kh\u00e1c \u0111\u00e3 nghi\u00ean c\u1ee9u s\u1ef1 thay \u0111\u1ed5i tu\u1ea7n ho\u00e0n \u1edf c\u00e1c c\u01a1 quan kh\u00e1c. \u0110\u00e1ng l\u01b0u y\u0301 l\u00e0 t\u1eeb n\u0103m 1950 Polzer v\u00e0 Shufried \u0111\u00e3 ho\u00e0n ch\u1ec9nh v\u1ec1 k\u1ef9 thu\u1eadt ghi l\u01b0u huy\u1ebft n\u00e3o v\u00e0 nghi\u00ean c\u1ee9u s\u00e2u v\u1ec1 tu\u1ea7n ho\u00e0n n\u00e3o. T\u1eeb \u0111\u00f3 \u0111\u1ebfn nay ph\u01b0\u01a1ng ph\u00e1p ghi l\u01b0u huy\u1ebft n\u00e3o \u0111\u00e3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i \u1edf nhi\u1ec1u n\u01b0\u1edbc, n\u00f3 th\u1ef1c s\u1ef1 tr\u1edf th\u00e0nh ph\u01b0\u01a1ng ph\u00e1p c\u1eadn l\u00e2m s\u00e0ng c\u00f3 gi\u00e1 tr\u1ecb \u0111\u1ec3 ch\u1ea9n \u0111o\u00e1n, \u0111\u00e1nh gi\u00e1 tr\u1ea1ng th\u00e1i tu\u1ea7n ho\u00e0n n\u00e3o. 1- Nguy\u00ean ly\u0301 ch\u1ee7 y\u1ebfu trong ph\u01b0\u01a1ng ph\u00e1p ghi l\u01b0u huy\u1ebft n\u00e3o: C\u0169ng nh\u01b0 c\u00e1c v\u1eadt d\u1eabn kh\u00e1c, t\u1ea5t c\u1ea3 c\u00e1c t\u1ed5 ch\u1ee9c c\u1ee7a c\u01a1 th\u1ec3 khi c\u00f3 m\u1ed9t d\u00f2ng \u0111i\u1ec7n ch\u1ea1y qua n\u00f3 \u0111\u1ec1u c\u00f3 s\u1ef1 c\u1ea3n v\u1edbi d\u00f2ng \u0111i\u1ec7n. \u0110\u1ed1i v\u1edbi c\u00e1c t\u1ed5 ch\u1ee9c trong c\u01a1 th\u1ec3 trong th\u1eddi \u0111i\u1ec3m ghi th\u00ec \u0111i\u1ec7n tr\u1edf c\u1ee7a n\u00f3 thay \u0111\u1ed5i ch\u1ec9 ph\u1ee5 thu\u1ed9c v\u00e0o s\u1ef1 thay \u0111\u1ed5i c\u1ee7a l\u01b0\u1ee3ng m\u00e1u tu\u1ea7n ho\u00e0n qua n\u00f3 (v\u00ec c\u00e1c y\u1ebfu t\u1ed1 kh\u00e1c kh\u1eb3ng \u0111\u1ecbnh). V\u00ec v\u1eady theo d\u00f5i c\u1ee7a \u0111i\u1ec7n tr\u1edf c\u1ee7a c\u01a1 quan t\u1ed5 ch\u1ee9c gi\u00fap ta \u0111\u00e1nh gi\u00e1 \u0111\u01b0\u1ee3c tr\u1ea1ng th\u00e1i tu\u1ea7n ho\u00e0n c\u1ee7a c\u01a1 quan t\u1ed5 ch\u1ee9c \u0111\u00f3 . Ta c\u00f3 th\u1ec3 coi s\u1ecd n\u00e3o l\u00e0 m\u1ed9t m\u1eabu \u0111i\u1ec7n t\u00edch nh\u01b0 s\u01a1 \u0111\u1ed3 d\u01b0\u1edbi (h\u00ecnh 11) trong \u0111\u00f3 da c\u01a1 v\u00e0 s\u01b0\u01a1ng s\u1ecd \u1edf d\u01b0\u1edbi m\u1ed7i \u0111i\u1ec7n c\u1ef1c ghi \u0111\u01b0\u1ee3c bi\u1ec3u di\u1ec5n b\u1eb1ng t\u1ebf b\u00e0o \u0111i\u1ec7n t\u00edch (b). Nh\u01b0 v\u1eady s\u1ef1 thay \u0111\u1ed5i \u0111i\u1ec7n tr\u1edf ghi \u0111\u01b0\u1ee3c th\u1ec3 hi\u1ec7n c\u1ea3 s\u1ef1 tu\u1ea7n ho\u00e0n c\u1ee7a m\u00e1u qua da \u0111\u1ea7u, t\u1ed5 ch\u1ee9c d\u01b0\u1edbi da v\u00e0 s\u01b0\u01a1ng s\u1ecd, nh\u01b0ng l\u01b0u l\u01b0\u1ee3ng tu\u1ea7n ho\u00e0n n\u00e0y kh\u00f4ng \u0111\u00e1ng k\u1ec3 so v\u1edbi s\u1ef1 tu\u1ea7n ho\u00e0n qua n\u00e3o.V\u00ec v\u1eady, \u0111\u01b0\u1eddng ghi s\u1ef1 thay \u0111\u1ed5i \u0111i\u1ec7n tr\u1edf ch\u1ee7 y\u1ebfu bi\u1ec3u hi\u1ec7n s\u1ef1 thay \u0111\u1ed5i l\u01b0u l\u01b0\u1ee3ng tu\u1ea7n ho\u00e0n qua n\u00e3o, khi m\u00e1u qua n\u00e3o nhi\u1ec1u th\u00ec \u0111i\u1ec7n tr\u1edf c\u1ee7a n\u00e3o gi\u1ea3m \u0111i, c\u01b0\u1eddng \u0111\u1ed9 d\u00f2ng \u0111i\u1ec7n t\u0103ng l\u00ean v\u00e0 ng\u01b0\u1ee3c l\u1ea1i.<\/p>\n
Tag cloud: Vaso screen 5000, RG9411, Rimed digi lite, usb compact, wakie tcd, medis, \u0111o l\u01b0u huy\u1ebft n\u00e3o tr\u1edf kh\u00e1ng, QFM-21, nihon kohden, basic tcd,<\/p>\n","protected":false},"excerpt":{"rendered":"
Trong c\u00e1c ph\u01b0\u01a1ng ph\u00e1p nghi\u00ean c\u1ee9u sinh ly\u0301 tu\u1ea7n ho\u00e0n n\u00e3o, ph\u01b0\u01a1ng ph\u00e1p ghi nh\u1eefng thay \u0111\u1ed5i \u0111i\u1ec7n tr\u1edf c\u1ee7a n\u00e3o khi c\u00f3 d\u00f2ng \u0111i\u1ec7n ch\u1ea1y qua l\u00e0 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p nh\u1eb9 nh\u00e0ng nh\u1ea5t \u0111\u1ed1i v\u1edbi b\u1ec7nh nh\u00e2n, n\u00f3 kh\u00f4ng g\u00e2y \u0111au \u0111\u1edbn, \u0111\u1ed9c h\u1ea1i g\u00ec. Ph\u01b0\u01a1ng ph\u00e1p c\u00f3 gi\u00e1 tr\u1ecb l\u1edbn trong vi\u1ec7c \u0111\u00e1nh […]<\/p>\n","protected":false},"featured_media":763,"template":"","yoast_head":"\n\n\n\n\n\n\n\n\n\n\n\t\n\t\n\n