Video: Puas yog EEG ib txwm muaj spikes?
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Qee qhov waveforms lossis kev ua haujlwm ntawm ib qho EEG yog li qub , thaum lwm tus tuaj yeem sab hauv li qub txwv rau qee tus neeg tab sis tsis yog lwm tus. Spikes los yog cov nthwv dej ntse yog cov ntsiab lus pom nyob hauv EEG qhia. Yog tias cov no tshwm sim ib zaug ib zaug lossis qee lub sijhawm ntawm ib hnub, lawv yuav tsis muaj txiaj ntsig dab tsi.
Kuj tseem yuav paub yog, qhov nce ntawm EEG txhais li cas?
Epileptiform transients xws li spikes thiab cov nthwv dej ntse yog cov cim interictal ntawm tus neeg mob uas muaj mob vwm thiab yog cov EEG kos npe ntawm kev qaug dab peg. Nonepileptiform abnormalities yog tus cwj pwm los ntawm kev hloov pauv hauv cov suab paj nruag ib txwm muaj lossis los ntawm cov tsos ntawm qhov txawv txav.
Ib sab saum toj no, koj puas tuaj yeem muaj EEG ib txwm muaj thiab tseem muaj qaug dab peg? A normal EEG tsis txhais hais tias koj tsis tau muaj a qaug dab peg . Kwv yees li ib nrab ntawm tag nrho EEG cov ua rau cov neeg mob nrog qaug dab peg yog txhais raws li li qub . Txawm tus neeg muaj qaug dab peg txhua lub lim tiam tuaj yeem muaj EEG li qub xeem. Qhov no yog vim li cas EEG tsuas yog qhia lub hlwb ua haujlwm thaum lub sijhawm kuaj.
Yog li ntawd, dab tsi yog qhov zoo li qhov zoo li ntawm EEG?
Spikes yog cov yoj nrawm heev thiab raug hu ntsia hlau vim lawv cov duab ntawm lub EEG . Txhua lub sijhawm tsawg dua 80 milliseconds (tsawg dua 1/12th ntawm ib thib ob) thiab tej zaum yuav ua raws li qeeb delta nthwv dej. Spikes kom meej meej sawv tawm ntawm lwm yam kev ua haujlwm ntawm lub hlwb ntawm EEG . Polyspikes yog cov series ntawm spikes uas tshwm sim sai.
Puas yog qhov txawv txav EEG txhais tau tias tsis muaj dab tsi?
Ib abnormal EEG tsis tau txhais hais tias koj, piv txwv li, muaj mob vwm. Cov EEG cov ntawm cov menyuam yaus thiab menyuam yaus ua tau feem ntau sau cov qauv tsis tu ncua uas tsis yog txhais tau dab tsi , los yog cov irregularities yuav chij yav tas los kuaj mob neurological tej yam kev mob xws li cerebral palsy.
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