5-150 Image Optimization
1.
B Mode Image /
Index), DI (Distensibility
Index), IVCV trend
curve
Corresponds to the selected breath type:
Spontaneous Breath: displays the IVC CI curve.
Mechanical Vent: displays the IVC DI
curve.
3.
IVC Sampling Line /
4.
IVC Trending Line The horizontal axis represents the time, which is displayed in the
below Free Xros M image, and is traced along the IVC vessel
wall.
5.
Diagnostic
Information
Displays the added diagnostic information.
6.
Calculation Results
Window
Displays the calculation results within the current calculation
range.
Dmax: indicates the maximum IVC inner diameter within a
respiratory cycle.
Dmin: indicates the minimum IVC inner diameter within a
respiratory cycle.
IVC CI = (Dmax-Dmin)/Dmax
IVC DI = (Dmax-Dmin)/Dmin
IVCV = (Dmax-Dmin)/[(Dmax+Dmin)/2]
6. Tap [Save Data] to save the calculating IVC results to the report.
7. Tap [Report], and select “Fluid Management” from the drop list box of [Report Type] to check
report.
For details about report operation, refer to Advanced Volume.
5.24 Smart B-line
The lung acoustic impedance difference increases with the increase of lung liquids. The ultrasound
waves produce strong reverberations in the lung at different depth. After multiple reflections, the comet
tail sign is formed, which is perpendicular to the pleura plane. Starting from the pleura line, the comet
tail sign moves along with the lung and extends to the far field. The reverberation line perpendicular to
the pleura plane is called Smart B-line.
Smart B-line is used to detect the B line of the lung in B mode. It supports B-line detecting in both real-
time and freeze modes.
NOTE: 1. Smart B-line is only available in Single B imaging mode.
2. It supports single-frame and multi-frame image file detection in B mode.
3. Smart B-line is an option.
5.24.1 Basic Procedures for Smart B-line
Perform the following procedure:
1. Select an appropriate probe and exam mode. The system enters the B mode by default.
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