GE MAC 2000 - Troubleshooting; ECG Data Noise

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Troubleshooting
Thischapterprovidesguidelinesfortroubleshootingissueswiththedevice.Itprovides
thefollowingsections:
•ECGDataNoise
•GeneralFaultIsolation
•Power-upSelfTest
•VisualInspection
•EventLogging
•DiagnosticTests
•ErrorCodes
ECGDataNoise
SeveralfactorscanresultinunacceptablenoiselevelsonECGs.
•Environmentalfactors
Interferencefromelectromagneticequipment(suchasradios,cellphones,orother
medicalequipment)canresultinexcessnoise.Verifytheenvironmentinwhichthe
deviceisbeingusedmeetstheminimumEMCrequirements.See“EMI/EMC/RF
SafetyInformation”onpage18andChapterB,“ElectromagneticCompatibility
(EMC)”,formoreinformation.
•Inadequatepatientpreparation
Improperpatientpreparationorelectrodeplacementcanresultinexcessnoiseon
ECGs.Verifythepatient’sskinhasbeenproperlypreparedandthattheelectrodes
havebeenplacedcorrectly.RefertoChapter4,“PatientPreparation,”intheMAC™
2000ECGAnalysisSystemOperator’sManualformoreinformation.
•Acquisitionmodulefailure
RuntheAcquisitionModulediagnostictesttoensurethattheacquisitionboardis
functioningproperly.See“TestingtheAcquisitionModule”onpage51formore
information.
•Leadwire,cable,andelectrodefailure
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