Yuav ua li cas yog tias cov menyuam kawm ntawv nthuav dav? Ua ntej, nrhiav seb vim li cas qhov no tshwm sim. Lawv tuaj yeem nce ntxiv rau cov laj thawj hauv qab no:
- Los ntawm cov tshuaj thiab tshuaj pleev qhov muag. Qee cov tshuaj muaj qhov sib txawv ntawm tib neeg lub cev. Qhov muag tee kuj tuaj yeem cuam tshuam rau kev nthuav dav ntawm cov menyuam kawm ntawv, thiab qhov no yuav tsis yog qhov ua xua. Feem ntau, cov kev mob tshwm sim tau qhia nyob rau hauv cov lus qhia rau ib yam tshuaj;
-
Cov menyuam kawm ntawv yog dilated Ntawm qhov tsaus ntuj. Nyob rau hauv qhov tsaus ntuj, cov menyuam kawm ntawv yog dilated vim lub fact tias nyob rau hauv ib tug unlit chav tsev, lub qhov muag sim ua kom lub cheeb tsam ntawm lawv xaav;
- Los ntawm narcotic psychotropic tshuaj. Yog tias koj noj tshuaj, ces lub hlwb yuav tsis muaj cov pa oxygen txaus, uas yog vim li cas cov neeg quav yeeb tshuaj feem ntau muaj cov menyuam kawm ntawv ntawm ob lub qhov muag;
- Thaum muaj kev ntxhov siab thiab ntxhov siab;
- Thaum poob siab (tshuaj mob), uas tshwm sim nrog kev raug mob hnyav lossis pob txha. Qhov tshwm sim no yog qhov tshwm sim ntawm lub cev rau qhov mob tshwm sim rau nws;
- Cov menyuam kawm ntawv kuj yuav raug nthuav tawm rau lwm qhov. Lawv tuaj yeem ua lub cim qhia txog kev khuv leej rau ib tug neeg. Piv txwv li, yog hais tias ib tug poj niam tab tom nrog ib tug hluas nkauj uas nyiam nws, thiab qhov no tshwm sim, ces nws nyiam nws.
Muaj ib yam li mydriasis - ob sab dilation ntawm cov menyuam kawm ntawv. Qhov tshwm sim no tuaj yeem pom nyob rau hauv cov neeg siv lub ntsej muag yog tias lub midbrain raug cuam tshuam, thiab kuj yog qhov tshwm sim ntawm qhov tshwm sim ntawm qhov tshwm sim ntawm lub teeb pom kev tsis zoo (tshwj xeeb tshaj yog tias nws yog qhov tob tob coma). Nws kuj tseem tuaj yeem suav tias yog qhov ua tau zoo thiab tsis muaj teeb meem hauv cov tib neeg sympathicotonic vegetatively labile. Qhov tshwm sim no tuaj yeem tshwm sim los ntawm kev siv tshuaj sab hauv lossis tshuaj pleev ib ce.
Cov menyuam kawm ntawv tuaj yeem ua rau muaj kev xav thiab cov kab mob: ntshai, ntxhov siab, hyperthyroidism, mob, cerebral anoxia, plawv nres lossis myopia. Lawv kuj tuaj yeem loj yog tias tus neeg ua pa tob lossis ua suab nrov.
Nws tseem tsim nyog xav txog ib tus menyuam kawm ntawv uas muaj kab mob sib kis. Ua rau oculomotor tuag tes tuag taw. Qhov no feem ntau yog nrog ptosis. Hauv cov xwm txheej zoo li no, tus menyuam kawm ntawv tsis pom muaj kev cuam tshuam rau lub teeb, tsis muaj cov leeg pob txha reflexes. Ntau zaus qhov no tuaj yeem pom nyob rau hauv cov poj niam, nws tau txais los ntawm. Nws kuj tuaj yeem tshwm sim los ntawm qhov tseeb tias ib tus neeg tau noj tshuaj ntawm ib sab uas ua rau mydriasis.
Cov menyuam kawm ntawv uas mob tas mus li kuj yuav yog vim muaj kev sib tsoo lossis txhob txwm ua rau cov tshuaj cycloplegic xws li atropine thiab cov tshuaj uas zoo ib yam li nws. Internal ophthalmoplegia kuj tuaj yeem tshwm sim. Txawm li cas los xij, cov menyuam kawm ntawv tau nthuav dav hauv qhov no tsuas yog tias muaj cov qog hlwb. Yog li, nws muaj peev xwm ua tau vim yog pinealoma. Cov menyuam kawm ntawvkuj tuaj yeem "ploj" yog tias tus neeg muaj tus mob hernia supratentorial. Yog hais tias nws muaj neurological iridoplegia, ces tus menyuam kawm ntawv dilated yuav nqaim yog tias koj tso 1% tshuaj pilocarpine rau hauv lub qhov muag. Txawm li cas los xij, txhawm rau txheeb xyuas qhov tseeb ntawm qhov nthuav dav (yuav muaj ib puas), nws tsim nyog mus ntsib kws kho qhov muag. Nws tshuaj xyuas nws tus neeg mob, tom qab ntawd nws yuav kuaj xyuas kom raug thiab sau ntawv kho mob.
