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Chapter 7 - System Operation
STEP 2
STEP 3
STEP 4
Cardiac Measurement in Doppler Mode
In Doppler mode, users can carry out the measurements of MV, AV, TV and
PV, and the following table lists the measurement items, descriptions and
measurement methods of cardiac measurements defined in the system, The
measurement results will be displayed in the corresponding measurement
worksheet and patient report.
Table 7-54: Cardiac Measurement Item In Doppler Mode
Item
MV
EPSS
E Dur
A Dur
IVRT
MV E pt
MV A pt
MVA
PHT
MVA (Trace)
CO
MV VTI
MC Diam
HR
LVIMP
196
On the soft menu, the cardiac menu options are displayed. Trackball
to the measurement item. The appropriate measurement methods
will be displayed in the soft menu.
A vertical line will be displayed on the system screen. Move the
trackball to position the starting point of the vertical line and press
Set key on the control panel, then move the trackball to position the
vertical line and press Set key.
The measurements will be displayed in the Measurement result ta-
ble of the screen, and saved to the worksheet and report. Repeat
step 3 to continue with the following measurements.
Description
Mitral Value
Distance from E point to sep-
tal separation, that is, dis-
tance from mitral valve
anterior leaflet in diastole to
ventricular septum.
E-wave duration
A-wave duration
Isovolumic relaxation time
Mitral valve E point
Mitral valve A point
Pressure half-time
Mitral valve area
Cardiac output
Mitral valve velocity time
integral
Mitral valve diameter
Heart rate
Left ventricular intramyocar-
dial pressure
Measurement methods
Distance
Time
Time
Time
Velocity
Velocity
Pressure half-time
Trace
PI (Manual)
Distance
HR
Portable Ultrasound Diagnostic Scanner User Manual
Measurement
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