ExpressionMR400InstructionsforUseAlarms4‐11
The Alarm Window
Alarmlimitshaveminimumandmaximumvaluesthatarenotadjustable(seepage4‐22).Within
theminimumandmaximumalarmlimits,adjustablelowerandupperlimitsettingsestablishan
alarmwindow.Vitalsignmeasurementsthatfallwithinthealarmwindowwillnotresultinan
physiologicalalarm.Itisonly
whenavitalsignmeasurementexceedsthealarmwindowfora
monitoredparameterthataphysiologicalalarmwillbedeclared.(Anillustrationisshownbelow.)
Advanced Alarm Functions
TheMR400featuresadvancedalarmfunctionsthatcanalertyoutospecificormoreextreme
physiologicalconditions.Whenadjustingtheseadvancedfunctionalarms,thefollowingrules
governthealarmsettings:
ExtremeBradycardiaAlarmSetting
TheExtremeBradycardiaalarmsettingisestablishedbythesettingoftheExtremeBradycardia
deltavalue.The
ExtremeBradycardiadeltavaluecannotbegreaterthanthedifferencebetween
theHRlowalarmlimitsettingandthealarmlimitminimum.Themaximumallowabledeltavalue
is50.Seepage5‐24forsettingdetails.
TheExtremeBradycardiadeltavaluewillretainitsadjustedvalueastheHRlowalarm
limit
settingisadjustedupward,butwillbegintoshrinkinvalueasthelowalarmlimitsettingis
adjustedclosertothealarmlimitminimum.
ExtremeTachycardiaAlarmSetting
TheExtremeTachycardiaalarmsettingisestablishedthesettingoftheExtremeTachycardia
deltavalue.TheExtremeTachycardiadeltavaluecannot
begreaterthanthedifferencebetween
theHRalarmlimitmaximumandthehighalarmlimitsetting.Themaximumallowabledelta
valueis50.Seepage5‐24forsettingdetails.
1 Parameter name (TEMP in this example)
2 Alarm limit, minimum
3 Lower alarm limit setting
4 Alarm window
5 Alarm limit, maximum
6 Upper alarm limit setting