VDO MG 2100 Dokumentacja Pobierz pdf (Strona 308)

308 VisualSonics Vevo 2100 Imaging System Operator Manual Rev 1.1

Chapter 43: Acquiring Color Doppler Mode images

Area Description

Region of interest color box overlay. The system applies the Color Doppler Mode based

colors only to the image data within this box.

Vascular flow moving toward the transducer. Displayed in red colors.

Vascular flow moving away from the transducer. Displayed in blue colors.

Color and velocity scale. The right column of the scale is the color scale. It follows the

acronym BART color principle for Doppler (Blue=Away from, Red=Toward) positive

vascular flows are indicated by colors in the red range, negative flows are in the blue

range, and velocities for each direction increase from dark to light. The velocity range of

the scale changes when you change the signal velocity or frequency.

The left column of the scale is the standard gray scale that appears for all B-Mode based

images.

Priority indicator. Tracks the priority level when you adjust the

Priority

control. This

control adjusts the priority relationship between the overlay data and the background B-

Mode data so you can eliminate false readings. For more information see Priority (page

415).

Physiological data trace window. Displays your animal's heart rate, temperature,

respiration rate and blood pressure data. During data acquisition this information comes

from the Advanced Physiological Monitoring Unit connected to the Vevo Imaging Station.

Cine loop range control. Displays the length of the cine loop range. The triangular white

marker identifies the individual frame number within the cine loop. You can drag the left

and right vertical markers to display only the image frames in that range.

Live physiological display. If the animal is connected to the physiology controller, data

appears here in real time during image acquisition and can display the numeric values of

the animal's heart rate, respiration rate, blood pressure and body temperature. This area

also displays the image data storage capacity progress bar so you can see when you

should start to back up your image data to free up space on the system. Live physiological

data is only active when you enable the inputs in the General tab of the Preferences

window.

Screen keys display

 Displays the updated parameter and system information when you make adjustments

on the control panel.

 Displays control options in the mode that you apply during image acquisition when

you press the

Screen Keys

dial.

In Color Doppler Mode, press the dial to cycle through three image states: Color box

overlay + B-Mode, B-Mode only, Color box only.

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VDO MG 2100 Dokumentacja Strona 308