User Manual

Table Of Contents
522MonitoringECGExpressionMR400InstructionsforUse
Warning
WAR NIN G
If the wECG module is positioned incorrectly when used within the MR magnet room, the
following factors may cause ECG waveform distortion and numeric inaccuracies:
Fast magnetic field changes usually found with, but not limited to, scan sequences
using Peripheral Nerve Stimulation (PNS) levels above 80 percent.
Severe vibrations induced by scan sequences using PNS levels above 80 percent.
The distance from the bore iso-center in the x, y, or z directions.
Selecting the Filter Mode
ChoosetheappropriateECGfiltermodeforyourMRIstudy;seepage531formodedetails.
Tochangethefiltermodesetting
ECG Waveforms and VS Box
TheECGmeasurementisdisplayedaswaveformsintheVStraceareaofthescreenandas
numericinformationintheECGVSbox.Otherdata,includingECGrelatedalarminformation,are
alsoprovidedinthisareaofthescreen,asdetailedbelow.
Step Action
1PresstheECGFilterkey.
TheFilterModemenuappears.Thecurrentsettingishighlighted.
2 Selectthedesiredfilter.
Monitor
Default
Advanced1
Advanced2
Thesettingisapplied,asindicatedinECGVSbox.