Philips Expression MR400 - Selecting the Filter Mode; ECG Waveforms and VS Box

5‐22MonitoringECGExpressionMR400InstructionsforUse
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
ChoosetheappropriateECGfiltermodeforyourMRIstudy;seepage5‐31formodedetails.
Tochangethefiltermodesetting
ECG Waveforms and VS Box
TheECGmeasurementisdisplayedaswaveformsintheVStraceareaofthescreenandas
numericinformationintheECGVSbox.Otherdata,includingECG‐relatedalarminformation,are
alsoprovidedinthisareaofthescreen,asdetailedbelow.
Step Action
1PresstheECGFilterkey.
TheFilterModemenuappears.Thecurrentsettingishighlighted.
2 Selectthedesiredfilter.
Monitor
Default
Advanced1
Advanced2
Thesettingisapplied,asindicatedinECGVSbox.