Txhua yam koj xav paub txog ultrasound yog txheeb tawm
1. Puas yog ultrasound muaj teeb meem rau tib neeg lub cev?
Ultrasound diagnostic machines ua hauj lwm zoo ib yam li bat predation: lawv xa tawm ultrasound nthwv dej uas ua tiav thiab tau txais cov ntaub ntawv tseem ceeb.
Ultrasound yog ib zaus ntawm ntau tshaj 20 txhiab Hertz ntawm lub suab tsis, nws tsis yog xov tooj cua, muaj kev nyab xeeb rau tib neeg lub cev, tsis muaj mob, nws siv dav heev, yuav luag koom nrog ntau yam lag luam. Kev kuaj mob ultrasound yog siv dav, uas tuaj yeem kuaj tsis tau xwb tab sis kuj siv nws txoj cai kom ua tiav lub hom phiaj ntawm kev kho qee yam kab mob. Nyob rau tib lub sijhawm, peb feem ntau raug kuaj xyuas ultrasound ntawm lub plab zom mov xws li daim siab, gallbladder, pancreas thiab spleen; Obstetrics thiab gynecology ultrasound kuaj xws li poj niam uterine appendages kuaj niam; urogenital system ultrasound kuaj xws li lub raum, ureter, zais zis, thiab lwm yam. Cov kab mob ntawm lub cev xws li thyroid caj pas, lub mis, qhov loj me me; Tsis tas li ntawd, muaj kev kuaj mob vascular thiab plawv ultrasound. Ntxiv nrog rau cov kev ntsuam xyuas niaj hnub no, ultrasound kuj tuaj yeem siv rau hauv lub hlwb, qhov muag, cov leeg pob txha, angiography, kev kho mob, thiab lwm yam. Cov kev sojntsuam ultrasonic sib txawv nrog ntau zaus thiab ntau hom kev tsom xam tuaj yeem siv los tshuaj xyuas cov kabmob sib txawv. Cov kev sojntsuam feem ntau yog cov kabmob plab uas tsis tshua muaj zaus convex array probes, superficial high-frequency linear array probes, cardiac ultrasonic phased array probes, thiab intracavitary probes.
2. Cov kua dej yog dab tsi thaum kuaj? Puas tsim kev puas tsuaj rau tib neeg lub cev?
Lub coupler yog siv ua ntej kev ntsuam xyuas, uas yog cov kua dej-soluble, tsis muaj xim pob tshab kua nplaum, thiab tsis muaj tshuaj lom rau tib neeg lub cev. Nws tuaj yeem ntxuav lossis ntxuav nrog dej sov tom qab kuaj xyuas. Lub hom phiaj ntawm kev siv lub coupler yog ua kom muaj kev sib cuag zoo ntawm qhov kev sojntsuam thiab cov tawv nqaij, uas yog qhov tsim nyog rau kev sib kis ntawm ultrasound, txhim kho cov duab zoo, thiab ua kom cov duab pom tseeb.
3. Xim Doppler=xim TV?
"Tus kws kho mob, vim li cas thiaj tsis muaj cov duab xim ntawm lub ntsuas ntsuas? Koj puas yog xim Doppler ultrasound?" Kuv ntseeg tias txhua tus neeg mob tau nug cov lus nug zoo sib xws. Nrog rau kev txhim kho txuas ntxiv ntawm kev kho mob, feem ntau ntawm cov neeg mob tau kuaj xyuas los ntawm xim ultrasound. Tab sis vim li cas cov kws kho mob tau saib txawv ntawm cov xim TV hauv tsev? Lub ntsiab lus ntawm lo lus "xim" nyob rau hauv cov xim Doppler ultrasound feem ntau hais kom qhia cov kev taw qhia ntawm cov hlab ntsha ntawm cov hlab ntsha, feem ntau liab thiab xiav. Cov kws kho mob txiav txim siab seb puas muaj ntshav txaus rau lub hom phiaj ntawm lub cev thiab cov kev taw qhia ntawm cov ntshav ntws los pab rau kev kuaj mob. Yog li, xim ultrasound yog xim, tab sis tsis sib npaug rau koj lub tsev xim TV.
4. Vim li cas kev yoo mov yuav tsum tau ua ultrasound?
Ultrasound kev kuaj mob muaj kev daws teeb meem siab ntawm cov ntaub so ntswg, tab sis nyob rau hauv cov khoom-gas lossis kua-gas interface nrog qhov sib txawv loj, ultrasound yog qhov nyuaj rau nkag mus, yuav luag tag nrho cov kev xav. Yog tias, tom qab noj qee cov roj tuaj yeem ua tau raws li qhov nqos cov zaub mov, ua rau lub plab zom mov nce ntxiv, qee cov khoom noj xws li cov kua txiv hmab txiv ntoo lawv tus kheej muaj roj, thaum ua ultrasound plab, txwv lub suab tsis nkag mus, cov duab pom tsis meej, thiab plab hnyuv. kab mob tom qab tau ntim cov khoom noj, zaub mov yuav tsim thiab pob zeb, pob zeb tib lub suab-visual, ua rau misdiagnosis. Yog li ntawd, nyob rau hauv lub plab viscera, xws li daim siab, gallbladder, pancreas, spleen, ob lub raum, plab, plab kab noj hniav thiab retroperitoneal hlab ntsha thiab plab hnyuv yuav tsum tau yoo mov, rau mus rau yim teev, cov dej sov rau haus ntawm no, tsis txhob noj mis nyuj, mov ci. , qe, noodles, xim dej haus, uas tuaj yeem txo qis kev cuam tshuam ntawm plab hnyuv chyme thiab cov pa roj ua kom cov kua tsib nyob rau hauv lub gallbladder, thiab txhim kho cov duab zoo. Tom qab noj mov, qhov contraction ntawm lub gallbladder ua me me, uas yog ib qho nyuaj rau kev paub qhov txawv ntawm lub cev thiab pathological kev hloov, thiab tseem muaj feem xyuam rau cov tsos ntawm cov kab mob nyob rau hauv lub gallbladder, xws li gallstones thiab polypoid lesions. Tsis tas li ntawd, rau cov neeg mob uas nquag plab zom mov, nws raug nquahu kom noj zaub mov noj hmo ua ntej kev kuaj mob, thiab tuaj yeem noj cov tshuaj uas tsim nyog los txhawb lub plab zom mov ua ntej kuaj.
5. Vim li cas qee qhov kev kuaj ultrasound yuav tsum tuav cov zis?
Nyob rau hauv kev kuaj mob ntawm lub zais zis, ureter, prostate thiab seminal vesicle gland, cov poj niam tsis tau sib yuav nrog ntau qhov chaw mos los ntshav, kuaj ultrasound ntawm cov poj niam cev xeeb tub 3 lub hlis ua ntej cev xeeb tub, yuav tsum tau tuav hauv cov zis. Lub hom phiaj ntawm kev tuav cov zis rov qab yog txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txo qhov cuam tshuam ntawm cov pa hauv plab thiab muab lub suab zoo los ntawm lub qhov rais rau kev kuaj xyuas. Thaum lub sij hawm kuaj gynecological, lub zais zis ntim feem ntau yuav tsum yog 300-400ml, thiab cov cim qhia ntawm lub zais zis zoo yog lub supine txoj hauj lwm, lub plab mog yog me ntsis convex, thiab qhov kev sojntsuam yuav nias thiab tuaj yeem tiv taus siab. .
6. Vim li cas tib lub gynecological ultrasound, kuv xav kom txo cov zis, nws tsis tas yuav suppress zis?
Nrog rau kev nce qib ntawm kev siv thev naus laus zis thiab ntau hom kev sojntsuam, ob hom kev sojntsuam tuaj yeem siv rau hauv kev kuaj gynecological, uas yog, transabdominal ultrasound thiab transvaginal ultrasound. Cov pejxeem txawv: transabdominal ultrasound yog tsim rau txhua tus poj niam, suav nrog cov poj niam cev xeeb tub; Transvaginal ultrasound yog qhia rau cov poj niam muaj txij nkawm uas xav tias placenta previa.
Qhov zoo ntawm transvaginal ultrasound:
① Qhov zaus ntawm qhov kev sojntsuam yog siab dua li qhov kev sojntsuam hauv plab, thiab qhov kev daws teeb meem zoo dua qub, thiab cov kabmob pelvic thiab qhov txhab me me tau pom meej dua.
② Tsis tas yuav tuav hauv cov zis, txo qhov mob ntawm qhov tso zis.
③ Hauv cov neeg mob rog rog, kuaj ultrasound ntawm qhov chaw mos tsis tas yuav mus dhau ntawm cov ntaub so ntswg plab thiab cov rog tuab, kev cuam tshuam tau txo qis, thiab cov duab pom tseeb dua.
Disadvantages ntawm transvaginal ultrasound:
Qhov kev sojntsuam zaus yog siab thiab lub zog nkag tau raug txwv, thiab kev pom ntawm cov kabmob siab dua thiab cov kab mob loj yog txwv. Piv txwv li, thaum lub ncauj tsev menyuam elongated tom qab phais tas, qhov chaw siab dua ntawm lub tsev menyuam, qhov siab dua ntawm lub zes qe menyuam, lub tsev menyuam loj lossis ntau lub fibroids, qhov loj hauv lub plab kab noj hniav, lossis qhov loj nrog lub pedicle ntev thiab txoj hauj lwm siab, transvaginal ultrasound tsis tuaj yeem qhia tag nrho cov duab, thiab nws yuav tsum tau ua ke nrog transabdominal ultrasound los muab kev kuaj pom tseeb dua. Tsis yog txhua tus poj niam yog cov neeg sib tw rau qhov chaw mos ultrasound. Muaj contraindications.
7. Mob plab tsis xav ua colonoscopy, puas tuaj yeem ua ultrasound?
Xyoo no, nrog rau kev txhim kho ntawm kev tshawb fawb thiab thev naus laus zis, ordos nroog Suav tshuaj hauv tsev kho mob ultrasound hauv kev kuaj mob plab ultrasound, rau gastritis, mob plab (exogenous submucosal qog, qog), gastric ulcer, gastric polyps, gastroptosis, gastric motility thiab gastric. Kev kuaj mob ntawm varices thiab duodenum pob ulcer kab mob muaj cov kev paub zoo heev. Contrast-enhanced ultrasonography (CEUS) yog cov cuab yeej paub tab nrog cov txheej txheem yooj yim thiab kev pab cuam ntawm qhov ncauj raws li kev qhia ntawm tus kws kho mob ua ntej yoo mov. Nws muaj tus nqi kuaj mob siab rau cov kab mob plab, tshwj xeeb tshaj yog mob plab, mob plab, thiab lwm yam, thiab kev kuaj mob yog hloov tau, yooj yim, tsis muaj mob, tsis mob, tsis tshua muaj nqi, thiab muaj qhov zoo ntawm lub sijhawm tiag tiag thiab rov ua dua, uas tuaj yeem ua rau cov shortcomings ntawm cov txheej txheem kuaj ib txwm.
