Ugqirha wakho usenokuba ukucebisile ukuba wenze uvavanyo olubizwa ngokuba yi-Evoked Potential Test. Elo gama lisenokuvakala liyinkimbinkimbi, kwaye mhlawumbi liyoyikisa kancinci, akunjalo? Kodwa akukho nto yokoyika. Luvavanyo olulula, olungenabuhlungu oluhlala lusetyenziselwa ukufumana ulwazi olubalulekileyo malunga nokusebenza kwenkqubo yethu yemithambo-luvo. Ngoko masithethe ngayo yonke le nto ngokulula namhlanje.
Ngamafutshane, yintoni le Evoked Potential Test?
Cinga ngenkqubo yethu yemithambo-luvo njengenkqubo yeendlela ezihambahamba emizimbeni yethu. Ulwazi (iimpawu zombane) luhamba lubuya lubuye kule ndlela. Umzekelo, xa ubona into ethile, olo lwazi luhamba lusuka emehlweni akho luye engqondweni yakho ngale ndlela yemithambo-luvo. Kunjalo naxa usiva into ethile.
Uvavanyo lwe-Evoked Potential lulinganisa ukuba imiqondiso yombane ihamba ngokukhawuleza kangakanani na kwezi ndlela zemithambo-luvo. Lulinganisa indlela ingqondo yakho kunye nemithambo-luvo ezisabela ngayo kwizinto ezikhuthazayo - njengokukubonisa umfanekiso, ukuva isandi, okanye ukukunika umbane omncinci kakhulu.
Oku kuquka ukubeka iipleyiti ezincinci zesinyithi (ii-electrode) entlokweni yakho kwaye ngamanye amaxesha kwezinye iindawo zomzimba wakho. Ezi 'zibamba' imiqondiso yombane eyenziwa kwimithambo-luvo yakho nasebuchotsheni ngenxa yokukhuthaza.
Yintoni le ifunwa lolu vavanyo?
Ngamanye amaxesha kunokubakho umonakalo kwindlela yokusebenza kwemithambo-luvo. Oku kunokuba nzima kakhulu ukuba kubonwe ngovavanyo oluqhelekileyo lwemithambo-luvo. Usenokungabi nazo naziphi na iimpawu zomonakalo okwangoku.
Uvavanyo lwe-Evoked Potential lunokubona nomonakalo ongabonakaliyo ngolu hlobo kwasekuqaleni .
Oogqirha basebenzisa olu vavanyo kunye nezinye iimvavanyo ukuxilonga iimeko ezahlukeneyo ezinxulumene nenkqubo yemithambo-luvo. Oku kubaluleke kakhulu ekuxilongeni izifo ezifana neMultiple Sclerosis (MS) .
Ukongeza:
- Chonga iithumba okanye omnye umonakalo kwi-optic nerve.
- Vavanya amandla okuva (okanye ukungava) kweentsana eziselula.
- Ukuba ukrokrela ukuba kukho izifo ezifana neethumba ze-brainstem, qiniseka ukuba zikho.
- Jonga ukusebenza kwenkqubo yemithambo-luvo ngexesha lotyando oluthile.
Oku kwahluke njani kwi-EEG?
Mhlawumbi ukhe weva ngovavanyo lwe-EEG. Nangona zombini zilinganisa umsebenzi wombane wobuchopho, kukho umahluko phakathi kwezi zimbini.
- I-EEG (i-Electroencephalogram):Oku kwenziwa ngokurekhoda amaza ombane akhutshwa yingqondo yakho xa ihleli apho, ngaphandle kokukhuthazwa. Kufana nokumamela 'ukusasazwa' kwengqondo yakho.
- Uvavanyo Olunokubangelwa Zizinto Ezinokwenzeka: Olu vavanyo lulinganisa indlela ingqondo esabela ngayo ngokukhawuleza nangendlela esabela ngayo kwisikhuthazo (njengomfanekiso okanye isandi) esisinikela ngabom . Kufana nokubuza umbuzo nokuvavanya impendulo.
Ziziphi iintlobo eziphambili zeeMvavanyo eziVuselelwayo?
Kukho iintlobo ezintathu eziphambili zolu vavanyo. Ngokuxhomekeke kwiimpawu zakho kunye noko ugqirha wakho akufunayo, ungenza enye okanye ezingaphezulu kwezi.
| Uhlobo lovavanyo | Ungayenza njani loo nto? | Yintoni eyona nto uyikhangelayo? |
|---|---|---|
| 1. Uvavanyo lweVisual Evoked Potential (VEP) | Ii-electrode zinamathele entlokweni yakho kwaye ucelwa ukuba ujonge ipateni efana nebhodi yechess kwimonitha. Uvala iliso elinye uze ujonge ngelinye, uze utshintshe. | Ikhangela umonakalo kwindlela yemithambo-luvo ethwala umbono ukusuka elisweni ukuya engqondweni, ingakumbi imithambo-luvo yamehlo. Isetyenziswa kakhulu ukuxilonga i-MS. |
| 2. Uvavanyo lokuva (Impendulo yeBrainstem Auditory Evoked - BAER) | Ii-electrode zinamathele entlokweni nasezindlebeni, kwaye isandi 'sokunqakraza' sivakala ngee-headphones. Indlebe enye iyavavanywa ngexesha. | Ijonga naziphi na iingxaki kwindlela yemithambo-luvo ethwala isandi ukusuka endlebeni ukuya ebuchotsheni nakwisistim sengqondo. Ilinganisa umsebenzi we-8th cranial nerve (auditory nerve). |
| 3. Uvavanyo lwe-Somatosensory Evoked Potential (SEP) | Ukongeza ekubekeni ii-electrode entloko, ii-electrode zikwabekwa ezihlahleni ngasemva kwamadolo, nto leyo enika isikhuthazo sombane esincinci kakhulu nesingenabuhlungu. | Ilinganisa ixesha elithathwa yimiqondiso ukusuka kwimithambo-luvo yomzimba ukuya kwi-spinal cord ukuya ebuchotsheni. Inceda ekuboneni umonakalo kwi-spinal cord nasebuchotsheni. |
Ulungiselela njani uvavanyo?
Oku akudingi kulungiselela okuninzi, kodwa eyona nto ibalulekileyo ekufuneka uyikhumbule kukuhlamba iinwele zakho kakuhle ngosuku olungaphambi kovavanyo kwaye uzigcine zicocekile.
- Musa ukuthambisa naluphi na uhlobo lweoyile, ijeli, okanye isitshizi seenwele ezinweleni zakho.
- Ukuba ezi zichukunyisiwe, ii-electrode aziyi kudibana kakuhle nolusu, nto leyo enokuchaphazela iziphumo zovavanyo.
Ugqirha wakho uza kukuxelela okungakumbi ngale nto. Musa ukoyika ukubuza ukuba unemibuzo.
Uvavanyo luthatha ixesha elingakanani?
Ixesha linokwahluka ngokuxhomekeke kuhlobo lovavanyo olwenziwayo. Ngokuqhelekileyo kuthatha imizuzu engama-60 ukuya kwengama-90 (iyure enesiqingatha) . Ungahlala ukhululekile ngeli xesha. Ngamanye amaxesha ungalala. Ngaphandle kokuvuselelwa kancinci kombane okunikwa ngexesha lovavanyo lwe-SEP, akukho ntlungu ivela kwezi mvavanyo.
Zithini iziphumo?
Idatha (amaza e-electromagnetic) evela kuvavanyo ihlalutywa yingcali ye-neurologist okanye i-neurophysiologist eqeqeshwe ngokukodwa kwaye ingxelo iyalungiswa. Nje ukuba ingxelo ifunyenwe ngugqirha wakho onyangayo, uya kukuchazela iziphumo.
Amaxesha amaninzi, iziphumo zolu vavanyo azijongwa zodwa. Zidityaniswa neempawu zakho, iziphumo zovavanyo lomzimba, kunye neziphumo zezinye iimvavanyo, ezifana ne-MRI scan, ukuze kufumaneke uxilongo lokugqibela.
Ngoko ke uvavanyo lwe-Evoked Potential luvavanyo olukhuselekileyo nolungenabuhlungu olunika ulwazi olubaluleke kakhulu malunga nempilo yenkqubo yakho yemithambo-luvo.
Umyalezo Wokuya Ekhaya
- Uvavanyo lwe-Evoked Potential Test (EP Test) luvavanyo olulinganisa isantya kunye nokusebenza kakuhle kwemiqondiso yombane ehamba kwiindlela zemithambo-luvo.
- Olu luvavanyo olukhuselekileyo ngokupheleleyo, olungenabuhlungu .
- Kukho iintlobo ezahlukeneyo zovavanyo lombono (VEP), ukuva (BAER), kunye novavanyo lweemvakalelo (SEP).
- Oku kubaluleke kakhulu ekuxilongeni izifo ezifana neMultiple Sclerosis (MS) nasekufumaneni umonakalo omncinci kwinkqubo yemithambo-luvo.
- Hlamba iinwele zakho kakuhle ngosuku olungaphambi kovavanyo kwaye ungasebenzisi iioyile okanye iijeli ezinweleni zakho.
- Ugqirha wakho uza kukuchazela ngokupheleleyo iziphumo kunye namanyathelo alandelayo.
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