2. Position the first point with the trackball an press
Set
. A second measurement cursor
appears.
3. Position the second point with the trackball and press
Set
to finish the measurement.
Dist. 2Line
To measure the distance between two parallel lines on a 2D image:
1. Select
Dist. 2Line
. The measurement cursor appears.
2. Position the first point of the first line with the trackball and press
Set
.
3. Position the second point of the first line and press
Set
. During positioning the line is
drawn.
4. Position the second line (parallel line determined through the third point) with the
trackball and press
Set
. The distance between the two lines is displayed with a dotted
line.
Length Point
This tool measures the length of a non-straight line defined by multiple points (start to end).
The "length" is displayed with a dotted line, start and end point are marked with a cross like in
normal distance measurement.
To measure the length point:
1. Select
Length Point
. The measurement cursor appears.
2. Position and enter point after point with the trackball and
Set
along the line.
3. To finish the length measurement double press
Set
at the last point.
Length Trace
This tool measures the length of a non-straight line distance along a trace drawn with the
measurement cursor. The "length" is displayed with a dotted line, start and end point are
marked with a cross like in normal distance measurement.
To measure the length trace:
1. Select
Length Trace
. The measurement cursor appears.
2. Position and enter the starting point with the trackball and
Set
.
3. Trace the length boundary with the trackball and fix the end point with
Set
.
Stenosis % Dist.
To measure the stenosis ratio between two distances:
1. Select
Stenosis % Dist.
. The measurement cursor appears.
2. Position the first line as described above with the trackball and press
Set
. A second
measurement cursor appears.
3. Position the second line as described above with the trackball and press
Set
to finish the
measurement.
Ratio D1/D2
To measure the ratio between two distances:
1. Measure the first distance as described above.
2. Measure the second distance as described above. The ratio is calculated automatically.
Measurements and Calculations
Voluson™ SWIFT / Voluson SWIFT+ Instructions For Use
5831612-100 R
evision 4 10-5
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