User's Manual

Table Of Contents
28 Imaging modes
PW and CW Doppler imaging
Pulsedwave(PW)Dopplerandcontinuouswave
(CW)Dopplerimagingmodesareoptional
features.
PWDopplerisaDopplerrecordingofblood flow
velocitiesinarange specificareaalong thelength
ofthebeam.CWDopplerisaDopplerrecording
ofbloodflowvelocitiesalongthelengthofthe
beam.
YoucanusePW/CWDopplerandCPD/Color
simultaneously.IfCPD/Colorimagingison,the
colorROIboxistiedtotheDline.The
SELECTkey
cyclesamongcolorROIboxposition,colorROI
boxsize,theDline,and(inPWDoppler)angle
correction.Theactiveselectionisgreen.Also,the
indicatoronthelefthandscreenshowswhich
touchpadfunctionisactive.
To display the D -line
ThedefaultDopplerimagingmodeisPW
Doppler.Incardiacexams,youcanselecttheCW
Doppleronscreenoption.
1 Pressthe
DOPPLERkey.
Note: IftheDlinedoesnotappear,makesure
thatthesystemisinliveimaging.
2 Doanyofthefollowingasneeded:
•Setoptions.See“PWDoppleroptions”on
page 29.
•Usingthetouchpa d,positiontheDline
wheredesired.
•(PWDoppler)Tocorrecttheangle
manually,pressthe
SELECTkeyandthen
usethetouchpadtoadjusttheanglein
incrementsfrom‐74°to+74°.Pressthe
SELECTkeyagaintosetthedesiredangle.
The
SELECTkeytogglesbetweentheDline
andanglecorrection.
To display the spectral trace
1 DisplaytheDline.
2 Pressthe
DOPPLERkey.
Thetimescaleabovethetracehassmallmarks
at200msintervalsandlargemarksat
onesecondintervals.
3 Doanyofthefollowingasneeded:
•Setoptions.See“Spectraltraceoptions”
onpage 29.
•Pressthe
UPDATEkeytotogglebetween
theDlineandspectraltrace.
PRF Scale Select the desired pulse repetition
frequency (PRF) setting by pressing
the control keys.
There is a wide range of PRF
settings for each Flow Sensitivity
setting (Low, Med, and High).
Available on select transducers.
Wall Filter Settings include Low, Med, and
High.
Available on select transducers.
Steering Select the steering angle setting of
the color ROI box (-15, 0, or +15). If
adding PW Doppler, see “PW
Doppler options” on page 29.
Available on select transducers.
Variance Turns variance on and off.
Available only for cardiac exam.
Invert Switches the displayed direction of
flow.
Available in Color imaging.
Sector (Cardiac exam) Specifies the sector
width.
Page x/x Indicates which page of options is
displayed. Select to display the next
page.