Measurement and Analysis
262
Vivid S5/Vivid S6 User Manual
R2424458-100 Rev. 2
8.
Press
SET
. The measurement end point is anchored and
the RVIDs measurement value is displayed in the
Measurement result table
.
A new free-moving cursor is displayed on the image, ready
for the next measurement.
9.
Repeat steps 5, through 8 to measure RVIDs.
Both the RVIDd and RVIDs values are displayed in the
Measurement result table
.
Doppler Measurements
The following measurements may be calculated on Doppler
mode spectra:
For measurement
formulae, refer to
the
Reference
Manual
.
•
Maximum (peak) and mean velocity
•
Maximum and mean pressure gradient
• Pressure
half-time
(PHT)
•
Velocity time integral (VTI)
•
Mitral valve area (MVA), derived from PHT
Velocity and Pressure point measurements
1.
Generate the spectrum to be measured.
2.
Press
FREEZE
to stop the cineloop.
Alternative: Press
CALIPER
on the con-
trol panel and press
the
POINT CALIPER
assignable.
3.
Press
MEASURE
on the Control Panel.
4.
Select
Point
in the
Measurement Menu
.
5.
Trackball the cursor to the position to measure.
The current velocity is displayed in the
Measurement result
table
and is instantaneously updated when moving the
cursor.
The measurement
display on the spec-
trum and the corre-
sponding results
are numbered.
6.
Press
SET
to anchor the point.
The velocity (m/s) and pressure (mmHg) values are
displayed in the
Measurement result table
.
Velocity and Pressure caliper measurements
1.
Generate the spectrum to be measured.
2.
Press
FREEZE
to stop the cineloop.
Alternative: Press
CALIPER
on the con-
trol panel and press
the
CALIPER
assign-
able.
3.
Press
MEASURE
on the Control Panel.
4.
Select
Caliper
in the
Measurement Menu
.
5.
Trackball the cursor to the start point of the measurement.
6.
Press
SET
to anchor the start point of the measurement.
Содержание Vivid S5
Страница 18: ...Revision History xvi Vivid S5 Vivid S6 User Manual R2424458 100 Rev 2 ...
Страница 30: ...Introduction 12 Vivid S5 Vivid S6 User Manual R2424458 100 Rev 2 ...
Страница 154: ...Basic scanning operations 136 Vivid S5 Vivid S6 User Manual R2424458 100 Rev 2 ...
Страница 250: ...Stress Echo 232 Vivid S5 Vivid S6 User Manual R2424458 100 Rev 2 ...
Страница 260: ...Contrast Imaging 242 Vivid S5 Vivid S6 User Manual R2424458 100 Rev 2 ...
Страница 420: ...Quantitative Analysis 402 Vivid S5 Vivid S6 User Manual R2424458 100 Rev 2 ...
Страница 508: ...Archiving 490 Vivid S5 Vivid S6 User Manual R2424458 100 Rev 2 ...
Страница 600: ...Peripherals 582 Vivid S5 Vivid S6 User Manual R2424458 100 Rev 2 ...
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