GE Voluson 730Pro, Основное руководство пользователя

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Calculations and Patient Reports
Spectral Doppler Measurements include:
•
Auto Trace (chapter 14.9.3.1)
•
Manual Trace (chapter 14.9.3.2)
•
The Measurement of Each Item (chapter 14.9.3.3)
•
Heart Rate (chapter 14.9.3.4) To measure the Heart Rate is also possible in M mode .
2D mode Measurements include:
•
To calculate Stenosis % (chapter 14.9.3.5)
•
To measure Vessel Area / Distance (chapter 14.9.3.6)
14.9.3.1 Auto Trace
To perform the measurement using Auto Trace:
1. Press
the
[
Calc
]
key on the control panel.
The Vascular Calculations menu appears in the menu area.
2. Select the appropriate “Measure Group” and select
[
Auto Trace
]
.
The Doppler spectrum is traced automatically and the results are
displayed.
3. Select the sensitivity of the envelope curve
(to eliminate artifacts).
4. Select the Trace Mode channel of the envelope
curve. (upper, both or lower)
A green line appears at the left of the spectrum.
Press the upper trackball key
[
Change
]
to move the line and readjust
the start cycle (the line changes to yellow).Press the right or left
trackball key
[
Set
]
to fix the line.
A green line appears at the right of the spectrum. Press the
[
Change
]
key again (line changes to yellow), move the line to readjust the end
cycle and fixate it with
[
Set
]
.
Voluson
®
730Pro - Basic User Manual
105831 Rev. 0
14-45