Thluak hnathawh dan map siamtu MEG scan (Magnetoencephalography) chungchang i zir dawn teh ang.

Nangmah emaw i hriat emaw hian epilepsy ang chi natna i nei em? A nih loh leh thluak surgery i neih hmain thluaka thusawi leh chetna thununtu thil pawimawh tak takte chu khawiah nge an awm tih chiang taka hriat i duh ngai em? Vawiin hian hetiang huna doctor-te hman thin test hmasawn tak, hrehawm lo leh him tak kan sawi dawn a ni. MEG scan an ti a.

A awlsam zawngin, he MEG hi eng nge ni?

MEG, a nih loh leh Magnetoencephalography tih hi kan thluak cell atanga electrical signal chhuak atanga magnetic field fiah lo tak tak siam chhuah test a ni. A dik tak chuan hei hi kan thluak hnathawh dan thluak mapping dan a ni.

A tha ber chu a natna nei lo tak leh noninvasive a nih vang a ni. Hei hian needle hman a ni lo tihna a ni a, cut pawh siam a ni lo va, X-ray ang chi radiation engmah i tawk lo tihna a ni. MEG hi khawvela thluak hnathawh record leh evaluate na atana hmanraw hmasawn ber a ni.

Eng dinhmunah nge MEG test hi tih a nih?

Neurologist leh neurosurgeon te hian he MEG test hi chhan lian tak pahnih avangin an hmang thin.

Tin, mihring thluak hnathawh dan hriatthiamna thuk zawk neih theihna turin scientific research-ah chuan MEG hi hmanraw pawimawh tak a ni.

He machine hian engtin nge hna a thawh?

A awlsam khawp mai. Kan thluaka neurons te hian electrical voltage te tak te tak tak siamin an inbiakpawhna an nei a. Heng electrical current te hi an luang chhuak a, an chhehvelah magnetic field a lo awm ta a ni.

MEG machine hian highly sensitive sensor 300 chuang a hmang a, chu chu i lu-a i bun helmet ang chi device-ah dah a ni a, heng magnetic field-te hi a hriat theih nan, a record a, a zirchiang thei a ni. Heng sensor te hi an sensitive em em a, kan thluak atanga magnetic field lo chhuak te ber pawh an la thei a ni. Heng sensor te hi SQUIDs (superconducting quantum interference devices) an ti a.

Heng sensor leh computer software bikte hian i thluak hnathawh chu millisecond khat hnu millisecond khatin an record a, i thut reng emaw, thil i tih emaw (e.g., thlalak en emaw, thu chhiar emaw) pawh nise. A tawp berah chuan he information hi i thluak thlalak nen a inzawm khawm a, chu chu computer screen-ah "map" angin a lang a, chu chuan i thluak peng engte nge active tih a tarlang a ni.

MEG test atan engtin nge kan inbuatsaih ang?

He test hma hian i doctor chuan i mamawh tur special instruction a pe ang che.

• Doctor chuan test hmain rei vak lo ei leh in loh a ngai em tih a zawt ang.
• I damdawi ei turte tihdanglam a ngai em tih pawh an hrilh bawk ang che.
• Test ni hian makeup hmang suh, i sam ah gel leh spray engmah hmang suh. Heng thilte hian test result a tibuai thei a ni.
• Exam room chhungah hian thir thil engmah i rawn keng lut thei lo. Hei hian jewelry, glasses, hairpins, underwire bras eng pawh i paih vek tur a ni tihna a ni. A tul chuan damdawi in chuan medical gown bik hak tur a pe ang che.

A pawimawh ber: I taksa chhunga metal parts awmte hi fimkhur rawh

I taksa chhung emaw pawnah emaw damdawi hmanrua eng emaw tak i dah reng a nih chuan test hmain i doctor hnenah i hrilh ngei ang. Device thenkhatah chuan metal a awm a, magnetic field a tibuai thei a, chuvangin he test hi i nei thei lo mai thei.

Test neih chhung hian eng nge thleng?

MEG test tih dan hi a chhan a zirin a danglam deuh thei a, mahse hetiang hian a kal tlangpui.

1. Inbuatsaihna: I taksa atanga thir thil awm zawng zawng i paih vek ang a, damdawi in kawr i ha ang.

2. Naupang tê tê tan: Naupang tê tê tân chuan test laiin an awm reng theih loh avangin sedation emaw general anesthesia emaw pek a ngai mai thei.

3. Positioning: I lu awmna dik tak chu helmet nena khaikhin chuan teh la, i lu chungah hmun thum emaw pali emaw-ah temporary tape hmangin positioning coil te tak te pathum emaw pali emaw hnawih rawh.

4. Magnetic signal lakchhuah: A dawtah chuan "degausser" an tih, circular device pakhat chu i taksa chhehvela magnetic signal duh loh lo awm tawhte paih chhuah nan i taksaah a kal kual a.

5. Test neihna tura thut: Chumi hnuah chuan MEG machine nena inzawm chair bik-ah thut tir i ni ang a, a nih loh leh khumah mu turin i siam ang.

6. Helmet bun dan:Tunah chuan MEG sensors nei helmet chu i lu chungah dah a ni ta. Hei hian claustrophobia vei theihna a ti tlem a ni. A tha ber tur chuan i lu chu helmet hnaih thei ang berah dah la.

7. Test neih chhung hian: A chang chuan ṭhu turin an ti ang che a, i muhil pawh a ni thei. Brain scan-ah chuan screen-a thumal chhiar tur te, zawhna chhan tur te, a nih loh leh hna tenau tak tak, button hmet ang chi te thawk turin an ti ang che. A châng chuan, i kut zungtang chu i thluak chhân lêt dân tehna tûr electrical stimulus tê tê pêk a ni thei bawk. Hei hi tickle tlem ang maiin a lang thei a, mahse a hrehawm lo.

8. Inbiakpawhna: Testing room-ah hian intercom leh video system a awm a, chuvangin engtik lai pawhin testing technician nen inbia thei ang.

He test pumpui hi darkar khat emaw darkar hnih emaw vel a ni.

Test zawhah eng nge thleng?

Nangmah emaw i fa emaw chu sedation pek i nih chuan medical staff te chuan darkar chanve atanga darkar hnih vel an enkawl ang che. In lam pan tura puitu tur i mamawh ang.

Sedated i nih loh chuan harsatna a awm lo. Test a zawh veleh i tih dan pangngai chu i chhunzawm thei ang.

MEG, MRI leh EEG te hi eng nge an danglamna?

Heng test pathumte hi thluak chunga tih vek ni mah se, an tehna leh min pek information chu a inang lo.

A châng chuan doctor-te chuan MEG leh MRI test pahnih aṭanga thu hriatte chu an inzawm khawm a, thluak hnathawh dan map (functional map) an siam ṭhin. Hei hi MSI (Magnetic Source Imaging) an ti a.