![AV nicking ntawm qhov kev ntsuam xyuas Fundoscopic yog dab tsi? AV nicking ntawm qhov kev ntsuam xyuas Fundoscopic yog dab tsi?](https://i.answers-medical.com/preview/medical-health/13901999-what-is-av-nicking-on-fundoscopic-exam-j.webp)
Video: AV nicking ntawm qhov kev ntsuam xyuas Fundoscopic yog dab tsi?
![Video: AV nicking ntawm qhov kev ntsuam xyuas Fundoscopic yog dab tsi? Video: AV nicking ntawm qhov kev ntsuam xyuas Fundoscopic yog dab tsi?](https://i.ytimg.com/vi/_9-40PVJzO0/hqdefault.jpg)
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
AV nug . Kev xeem ntawm. Retina. Arteriovenous nicking , tseem hu ua AV nug , yog qhov tshwm sim qhov twg, ntawm xeem ntawm lub qhov muag, cov hlab ntsha me me (arteriole) tau pom hla txoj hlab ntshav me me (venule), uas ua rau cov hlab ntshav txhaws nrog rau sab ob sab ntawm tus ntoo khaub lig.
Ib yam li ib tus tuaj yeem nug, puas yog AV nicks thim rov qab?
Retinal arteriolar phab ntsa cov cim qhia txog AV nug , focal retinal arteriolar nqaim, thiab nce arteriolar phab ntsa reflex. Focal arteriolar nqaim yog cuam tshuam nrog cov ntshav siab tam sim no, sawv cev rau thaj tsam ntawm thaj chaw vasospasm, uas tej zaum yuav yog thim rov qab.
Ib qho ntxiv, koj yuav piav qhia qhov kev kuaj mob Fundoscopic li cas?
- Disc. margins yog ntse. xim: daj txiv kab ntxwv rau creamy liab. duab: puag ncig lossis oval.
- Lub nkoj. AV piv. AV hla: tsis muaj qhov nkag. Tsis muaj teeb meem ntawm cov hlab ntsha reflex.
- Fundus keeb kwm yav dhau. Tsis muaj exudates lossis hemorrhages. xim: liab mus rau purplish.
- Macula. macula yog nyob ntawm 2.5 disc nrug nrug ntawm lub disc. tsis muaj cov nkoj tau sau tseg ib puag ncig Macula.
Kuj Paub, ntshav siab retinopathy zoo li cas?
Hypertensive retinopathy yog retinal vascular puas tsuaj los ntawm ntshav siab . Cov cim feem ntau tshwm sim lig rau tus kab mob. Kev tshuaj xyuas lub xub pwg qhia pom cov hlab ntshav txhaws, txhaws hlab ntshav, hloov pauv cov hlab ntshav, nplaim taws- zoo li tus hemorrhages, paj rwb-wool me ntsis, daj tawv exudates, thiab optic disk edema.
Puas yog AV nicking ib txwm?
Arteriovenous nicking . Arteriovenous nicking , tseem hu ua AV nug , yog qhov tshwm sim qhov twg, ntawm kev tshuaj xyuas lub qhov muag, cov hlab ntsha me me (arteriole) tau pom hla txoj hlab ntshav me (venule), uas ua rau muaj kev sib zog ntawm cov hlab ntshav nrog bulging ntawm ob sab ntawm kev hla.
Pom zoo:
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