脑地形图操作诊断中的问题Problems in the operation diagnosis o文档格式.docx

脑地形图操作诊断中的问题Problems in the operation diagnosis o文档格式.docx

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SincetheadventoftheEEGmapin80s,ithasbeenrapidly

Multidisciplinaryandmulti-disciplinaryapplications.Itisgenerallyacknowledgedtobeeffective

Asafe,noninvasivediagnostictoolfordescribingchangesinbrainfunction

Method.EEGisthemostimportantclinicalexaminationinneurology

Oneofthetechnologieshasanirreplaceablefunction.Butevenso,

Atpresent,thequalityofpersonnelengagedinthisprofessionisnothigh,thelackofprofessionalstandards

Tobesure,thereisalackofoperableclinicalelectrophysiologyinChina

Workstandardsandguidelines.Therefore,itisnecessarytoemphasizeaboutEEG

Weshouldpayattentiontotheproblemsinoperationanddiagnosisoftopographicmaps

Colleaguesshouldpaymoreattentiontoitandbetterservethevastnumbersofpatients

Providereliablebasisforclinicaldiagnosis.Accordingtoourbrainsformorethantenyears

Electricalmapoperationexperience,nowtheproblemswillbecollated

Thefollowingarestated（foryourreference）:

One

Theoriginalbrainwavemustbereliable

Asyouallknow,EEGcomesfromanelectroencephalogram

Makeacomplete,highdiagnosticEEGmap,firstofall

AsaveryhighlevelofEEG,onlyEEGisavailable

Sincethebrainwavesareaccurate,thetopographicmapsarereliableandclinical

Thegreaterthemeaning.Eliminatingartifactsisthekeytoavoidingfalsepositivetopographicmaps

Key.WehavevariouskindsofEEGrecordings

Artifactssuchasbodymovements,brainmovements,musclepotentials,ECG,andpulses

Stroke,sweating,staticelectricity,breathingmovements,electromagneticinduction,highfrequencyirritable

Sound,andsoon,mustbestrictlyfollowedbeforethetopographicmapisoperated

Theconditionrequiredbyanelectroencephalogram（suchasshampoo,withdrawal,etc.）,

Toensurethatinagoodenvironmenttocomplete.Becauseofthetopographicmapofthebrain

ThecollectedsignalsaretherawbrainwavesfromtheEEG

Ifyoudon'

thaverealbrainwaves,andallofthemareartifactbrainwaves,then

Well,computerprocessedEEGsignalsareevenpositive

See,suchasslowwaveheight,power,etc.,isalsoofnoclinicalsignificance,

Falsepositive.Therefore,theeliminationofEEGartifactsisalsocritical

Desired.Thisalsodependsonthelevelofdiagnosisofanelectroencephalographdoctor

Key.Howdoyourecognizeartifactsandhowtoruleoutthebrain?

Theelectrocardiogramiscompleteandreliable,andthediagnosisiscorrect.Thisrequiresmanipulation

Whenyoudoit,youmusthaveaseriousattitudeandseetheartifactingoodorder

Inadditiontoensuringreliablebrainwavesignals,thebrainthatcontainsartifactsisstrictlyforbidden

Thewavesignaliscollectedintothecomputersystem.Tomakethecomputerinvisible

Don'

tgowrongwiththeartifact.

Two,thetimetocollectbrainwavesignalsshouldnotbetoosmall

AccordingtotheChineseMedicalAssociation,theEEGpublishedbytheEEGgroup

Minimumstandardsrequirethatbasicelectroencephalographyshouldbeincluded,atleast

Thetechnicaloperation,verysatisfiedwiththe20minutesofEEGtime

Theshortertheinterval,thelesschanceofabnormaloccurrence.Thus,intheEEG

Whenthegraphisoperated,thedoctorisfirstrequested,andthedoctormustbelonger

TimeofEEGobservation（minimum20minutesormore）,then,

Repeatedplaybackoftheentireoriginalbrainwaverecording,screeningthemosttelling

Asectionofbrainwavesignalsthatcanbesampledatrandom

Analysisofgraphics,thegeneralsamplingtimeisbest60seconds,notlessthan30

Seconds,andrepeatedlyselectvaluablebrainwaves,thatis,itisalsoverypossible

Thereisanerrorwhenmissingorlocating,sochoosingisvaluable

Electroencephalogram（EEG）isthekeytodeterminetheaccuracyofEEGmapping.Becauseofthebrain

Electricalsignalsareanirregularbiologicalelectricalactivityinpathologicalconditions

Theabnormalreleaseofbrainwavesisnotnecessarilycontinuousandconstant,

Andofteninintermittentoralternatingway,sosampling

Thelengthoftimeisdirectlyrelatedtothenumberofsignalsanalyzedandsampled

Insufficienttime,

Itisveryeasytomissmanyimportantpathologicalinformation

Thepointisveryimportantandshouldnotbeneglected.

Three、incompletebrainregion.TheeffectofEEGonthetopographicmap

Thebrainmapisthebrainwavesignal,whichiscarriedoutatthecomputer

Anewformofexpressionafterwhichtheinvisiblebrainwavebecomes

Anintuitiveand