User's Manual

Table Of Contents
54 Exam-based calculations
c Usingthetouchpad,tracetheleft
ventricular(LV)cavity.
Tomakeacorrection,selectUndoonscreen
orpressthe
BACKSPACEkey.
d Completethetrace,andpressthe
SETkey.
e Savethecalculation.(See“Tosavea
calculation”onpage 45.)
To calculate MV or AV area
1 Onafrozen2Dimage,presstheCALCSkey.
2 Inthecalculationsmenu,locateArea,and
thenselectMVorAV.
3 Positionthecaliperwhereyouwanttobegin
thetrace,andpressthe
SELECTkey.
4 Usingthetouchpad,tracethedesiredarea.
Tomakeacorrection,selectUndoonscreenor
pressthe
BACKSPACEkey.
5 Completethetrace,andpressthe
SETkey.
6 Savethecalculation.(See“Tosavea
calculation”onpage 45.)
To calculate LV Mass
1 Onafrozen2Dimage,presstheCALCSkey.
2 Inthecalculationsmenu,locateLV Mass.
3 DothefollowingforEPIandthenforEndo:
a Selectthemeasurementnamefromthe
calculationsmenu.
b Positionthecaliperwhereyouwantto
beginthetrace,andpressthe
SELECTkey.
c Usingthetouchpad,tracethedesiredarea.
Tomakeacorrection,selectUndo
onscreenorpressthe
BACKSPACEkey.
d Completethetrace,andpressthe
SETkey.
e Savethecalculation.(See“Tosavea
calculation”onpage 45.).
4 SelectApical fromthecalculationsmenu.
5 Positioningthecalipers,measurethe
ventricularlength.(See“Workingwith
calipers”onpage 41.)
6 Savethecalculation.
To measure peak velocity
Foreachcardiacmeasurement,thesystemsaves
uptofiveindividualmeasurementsand
calculatestheiraverage.Ifyoutakemorethan
fivemeasurements,themostrecentmeasurement
replacesthefifthone.Ifyoudeleteasaved
measurementfromthepatientreport,thenext
measurementtakenreplacesthedeletedonein
the
patientreport.Themostrecentlysaved
measurementappearsatthebottomofthe
calculationsmenu.
1 OnafrozenDopplerspectraltrace,pressthe
CALCSkey.
2 Fromthecalculationsmenu,selectMV,TV,or
TDI,orP. V e i n .
3 Dothefollowingforeachmeasurementyou
wanttotake:
a Selectthemeasurementnamefromthe
calculationsmenu.
b Positionthecalipers.(See“Workingwith
calipers”onpage 41.)
c Savethecalculation.(See“Tosavea
calculation”
onpage 45.)
To calculate Velocity Time Integral (VTI)
Note: Thiscalculationcomputesotherresultsin
additiontoVTI.Seethetable“CardiacCalculations”
onpage 50.
1 OnafrozenDopplerspectraltrace,pressthe
CALCSkey.
2 Fromthecalculationsmenu,selectVTI under
MV,AV,TV,PV,orLVOT.
3 Positionthecaliperatthe startofthe
waveform,andpressthe
SELECTkeytostart
thetrace.